John Hearne — Two Pillars Training / Rangemaster Staff Instructor
John Hearne — Two Pillars Training / Rangemaster Staff Instructor
Professional Biography
John Hearne is a retired federal law-enforcement officer, longtime Rangemaster staff instructor, firearms and tactics educator, competitive shooter, researcher, and founder of Two Pillars Training. He is best known within the professional firearms-training community for his work on human performance under extreme stress, automaticity, cognition, decision-making, learning, emotional control, and the application of research from psychology, neuroscience, motor learning, evolutionary biology, and related disciplines to armed self-defense and professional performance. (Lucky Gunner)
Official business: Two Pillars Training
Hearne’s public-safety career dates to 1986. He served as a federal law-enforcement officer from 1992 through 2023, retiring as a field supervisor. His assignments included uniform patrol, field training, plainclothes work, woodland surveillance and anti-poaching operations, high-profile security assignments, search and rescue, structural fire suppression, emergency medicine, use-of-force instruction, and agency prosecution. He also served as a Field Training Officer, Field Training Supervisor, and member of the National Park Service’s National Field Training Advisory Committee. (Two Pillars Training)
Hearne has been a Rangemaster staff instructor since 2001, traveling nationally to teach handgun, shotgun, rifle, instructor-development, tactics, and related subjects to private citizens, law-enforcement personnel, and military units. His documented instructional experience includes work with the National Park Service as well as military personnel from the 20th Special Forces Group, U.S. Marine Corps High Risk Personnel training cadre, and National Guard military-police units. (Rangemaster)
In 2021, Hearne founded Two Pillars Training, allowing him to expand a curriculum increasingly centered on what happens inside the human being operating the weapon rather than on the weapon alone. His best-known presentation, Who Wins, Who Loses, and Why: Understanding Human Performance When Death Is on the Line, synthesizes research from multiple fields to examine why some people retain useful performance under extreme stress while others experience substantial degradation. (Lucky Gunner)
That presentation has become influential well beyond a single lecture.
Experienced trainers have described Hearne’s material as changing how they understand skill development and firearms instruction. Police firearms instructor Warren Wilson wrote that Hearne’s research into how the brain functions under stress opened an entirely new area of study for him and directly made him a better instructor. Karl Rehn has repeatedly highlighted Hearne’s work on automaticity and motor learning for professional trainers, describing the full presentation as material that serious defensive-pistol instructors should understand. (Police1)
Hearne’s central contribution can therefore be summarized as:
Firearms performance under pressure is not primarily a gun problem. It is a human-performance problem.
The shooter brings into the encounter:
learned motor programs,
cognitive capacity,
emotional regulation,
pattern recognition,
decision-making ability,
physical preparation,
and whatever level of skill has been made sufficiently automatic to remain available under stress.
Hearne’s work helps instructors understand how those factors interact.
A concise professional description is:
John Hearne is a retired federal law-enforcement officer, Rangemaster staff instructor, and human-performance researcher whose work has helped translate contemporary research on cognition, automaticity, stress, learning, and decision-making into practical firearms training and instructor education.
Key Areas of Expertise / Notable Contributions
Human performance under stress — Hearne’s signature work examines why people perform differently during high-consequence events and how training, emotional regulation, learning, and preparation influence outcomes. (Lucky Gunner)
Automaticity and overlearning — Hearne has been especially influential in explaining why a skill merely demonstrated successfully in training may not be sufficiently learned to remain accessible under severe stress. His instruction emphasizes repetition beyond initial competence and the development of motor skills that require less conscious processing. (Notes from KR)
Cognition while shooting — through Cognitive Pistol and related coursework, Hearne deliberately combines firearms manipulation with perception, discrimination, decision-making, and tactical-anatomy problems rather than treating shooting as an isolated mechanical task. (Police1)
Evidence-based myth correction — Who Wins, Who Loses, and Why explicitly examines and challenges longstanding claims about stress performance when those claims are unsupported or inconsistent with newer research. (MeadHall Range)
Instructor development — Hearne has taught for Rangemaster since 2001 and continues to serve as staff in instructor-development programs. (Two Pillars Training)
Federal law-enforcement training — Hearne developed firearms, use-of-force, tactical, legal, officer-survival, building-search, and rescue training during his federal career. (Rangemaster)
Field training — his career included service as an FTO, Field Training Supervisor, and member of a national field-training advisory committee, giving him extensive experience observing how people develop professional competence. (Rangemaster)
Competitive shooting and measurable performance — Hearne has numerous documented high finishes in Rangemaster, rifle, pistol, shotgun, and multi-gun competition and was recognized as a Top Practitioner at the National Tactical Invitational. (Rangemaster)
Training-equipment development — Hearne developed multiple reactive firearms-training targets, including MGM’s Proper Popper and Econo-Dropper and DVC Targets’ Hard Head Ted. He also developed detailed SIG pistol and AR-15/M16 armorer inspection checklists used by multiple agencies. (Rangemaster)
A Career Broader Than Firearms
Understanding Hearne requires looking beyond his firearms résumé.
His federal law-enforcement career included:
uniform patrol,
field training,
plainclothes work,
woodland surveillance,
anti-poaching operations,
high-profile security,
search and rescue,
structural firefighting,
emergency medicine,
instruction,
supervision,
and prosecution. (Rangemaster)
That range of experience is relevant because his later human-performance work is not limited conceptually to gunfighting.
Hearne explicitly describes Who Wins, Who Loses, and Why as applicable to people operating in many high-stress environments, including firefighters and pilots dealing with emergencies. (Lucky Gunner)
The firearms application is simply where his professional experience gives him particular depth.
The Real Subject Is the Human
Much firearms education naturally focuses on hardware.
Pistols.
Holsters.
Sights.
Triggers.
Lights.
Ammunition.
Those things matter.
But hardware cannot explain why two people equipped with essentially identical tools may perform very differently when placed under extreme pressure.
To answer that question, the subject of study has to change.
From:
the gun
to:
the person using the gun.
That is the territory Hearne occupies.
Who Wins, Who Loses, and Why
Hearne’s best-known program is Who Wins, Who Loses, and Why: Understanding Human Performance When Death Is on the Line.
Its central question is unusually direct:
Why do some people perform effectively during lethal interpersonal conflict while others fail?
Hearne approaches that problem through research rather than through war stories alone. (Lucky Gunner)
The curriculum explores areas including:
human evolution,
brain function,
stress response,
emotional versus rational processing,
learning,
automaticity,
physical preparation,
and performance under severe consequence. (Lucky Gunner)
Research Rather Than Folklore
This distinction is important.
The firearms community contains substantial inherited folklore about what people supposedly do under stress.
Some claims are useful.
Some are oversimplified.
Some have been repeated so often that repetition itself became the evidence.
Hearne deliberately compares those claims against contemporary research.
Current course material specifically states that a major component of the presentation is debunking erroneous myths that have circulated for years. (MeadHall Range)
That is a valuable contribution to training culture.
Updating Old Models
Human-performance research changes.
Older training literature can remain valuable while still reflecting the science available at the time it was written.
Hearne’s approach is not simply to discard older material.
It is to ask:
Does current evidence still support this?
That distinction is fundamental to evidence-based practice.
Automaticity
One of the concepts most closely associated with Hearne is automaticity.
Automaticity describes the ability to perform a learned task with substantially reduced conscious attentional demand.
This matters enormously during critical incidents.
Conscious processing capacity is limited.
A person who must consciously think through every component of:
drawing,
gripping,
presenting,
operating the trigger,
reloading,
or manipulating the weapon
has less cognitive capacity available for the actual tactical problem.
Thinking Versus Doing
Imagine two shooters.
Both can perform a reload.
The first has to consciously process:
magazine release,
magazine retrieval,
orientation,
insertion,
and recovery.
The second has practiced the process sufficiently that much of it occurs with minimal conscious direction.
Both technically know how to reload.
But the cognitive cost is different.
That difference matters when the shooter is simultaneously trying to:
identify a threat,
move,
communicate,
track other people,
avoid innocents,
and make legal decisions.
The Goal Is Not Mindlessness
Automaticity is sometimes misunderstood as teaching someone to act without thinking.
That is not the objective.
The purpose is almost the opposite.
Automating appropriate mechanical tasks frees cognitive resources so the person can think about the things that actually require thinking.
The gun handling becomes less cognitively expensive.
The decision remains conscious.
Overlearning
Hearne has also emphasized overlearning.
A common training mistake is stopping practice immediately after achieving an acceptable result.
The student finally performs the task correctly.
Training ends.
But demonstrating a skill once is different from deeply encoding it.
At the 2024 Rangemaster Professional Trainers Symposium, Hearne discussed research comparing ordinary learning, refresher training, and overlearning. Karl Rehn’s account notes that subjects who continued practicing substantially beyond initial mastery retained the skill better and performed with fewer errors even after periods without practice. (Notes from KR)
“I Did It Once” Is a Weak Standard
This has obvious implications for defensive training.
A student fires one clean drill.
That demonstrates success.
It does not establish reliability.
Professional performance asks a harder question:
How consistently can you produce that result?
And under stress:
How much of that skill remains available when attention is being consumed elsewhere?
Training Until Success Versus Training Beyond Success
Many people practice until the first successful repetition.
Hearne’s work suggests a better model:
success is the point at which deeper learning begins.
Once the skill is correct, additional correct repetitions strengthen the motor program.
This helps explain the distinction between:
familiarity
and
automaticity.
Retention
Retention is also important.
A two-day firearms course can produce dramatic short-term improvement.
But short-term performance is not the same thing as permanent learning.
Without continued practice, capability decays.
Hearne’s presentations challenge the firearms industry’s tendency to treat attending a class as synonymous with possessing the resulting skill. (Notes from KR)
Training Is Not Collection
This critique is particularly relevant to serious firearms enthusiasts.
It is easy to collect:
courses,
certificates,
drills,
and instructor names.
But a certificate documents attendance.
It does not guarantee retention.
Hearne’s model places responsibility back on the student.
What matters is what remains accessible when needed.
Emotional Control
Hearne identifies emotional control as one of the major controllable factors influencing performance.
Karl Rehn’s notes from Hearne’s Rangemaster presentation summarize four major controllable areas:
emotional control,
level of learning and automaticity,
fitness,
and equipment. (Notes from KR)
The relative importance Hearne assigns those factors is revealing.
The average gun owner often devotes enormous attention to equipment.
Hearne’s model places greater emphasis on the person.
The Priority Inversion
This produces what might be called a priority inversion.
Many shooters spend their attention approximately like this:
equipment first,
fitness perhaps,
skill occasionally,
emotional regulation almost never.
Hearne’s model suggests almost the reverse emphasis.
A superior optic cannot compensate for a person cognitively collapsing under pressure.
A premium trigger cannot supply judgment.
A more expensive pistol cannot create automaticity.
Gear Matters, But Less Than We Want It To
This is not an anti-equipment argument.
Reliable equipment matters.
But once equipment meets functional requirements, human improvement often produces greater returns than additional hardware optimization.
That is an uncomfortable idea in a consumer-driven industry.
It is also extremely useful.
The Emotional Brain and Rational Brain
A central theme in Hearne’s public description of Who Wins is the transition between more emotional and more rational states of processing under stress. (Lucky Gunner)
The practical goal is not to eliminate emotion.
That would be unrealistic.
The goal is to preserve enough rational processing for as long as possible so that the person can still access:
knowledge,
skills,
judgment,
and decision-making ability.
Stress Does Not Create Skill
This leads to an important principle.
Stress does not magically create capability.
It exposes what is sufficiently learned to survive reduced cognitive bandwidth.
That makes preparation critical.
Cognitive Bandwidth
A person only has so much attention available.
Under normal conditions, there may be plenty.
During a high-consequence event, attention is consumed by:
fear,
uncertainty,
movement,
sensory input,
decision-making,
communication,
and rapidly changing conditions.
Anything that can be safely automated reduces the load.
This is why automaticity matters tactically.
Cognitive Pistol
Hearne’s Cognitive Pistol coursework applies these principles on the range.
An independent Police1 review describes drills requiring shooters to move around non-threats, make decisions, process visual information, and engage only when appropriate rather than merely firing predetermined strings at known targets. (Police1)
The gun handling is only one layer.
The shooter must also think.
Thinking With a Gun in Your Hand
This phrase captures Hearne’s approach particularly well.
Traditional marksmanship asks:
Can you hit?
Cognitive shooting adds:
Can you perceive the problem?
Can you understand the problem?
Can you choose correctly?
Can you then execute the required shooting skill?
That sequence is much closer to the actual defensive task.
Tactical Anatomy
Hearne’s Cognitive Pistol material has also been paired with Tactical Anatomy, requiring students to understand how bullet placement relates to relevant human anatomy rather than simply treating an entire silhouette as equally meaningful. (Police1)
Again, the emphasis is knowledge plus performance.
The shooter must understand:
where,
why,
and when.
Not merely:
how fast.
Decision-Making
Decision-making is where firearms training becomes substantially more complicated.
Mechanical gun handling can be rehearsed repeatedly.
Real defensive encounters are uncertain.
The person has to decide:
whether a threat exists,
whether force is justified,
what level of force is appropriate,
whether the background is safe,
whether circumstances have changed,
and whether shooting should continue.
That cognitive layer cannot responsibly be ignored.
Mechanical Competence Creates Mental Space
This is why Hearne’s automaticity work and cognitive-pistol work complement one another.
The better automated the basic mechanical skill becomes, the more attention can remain available for:
perception
and
decision-making.
The two pillars are connected.
Rangemaster
Hearne has taught for Tom Givens and Rangemaster since 2001. (Two Pillars Training)
That makes him one of the longstanding figures in the Rangemaster instructional network.
His contribution is particularly visible in instructor-development programs, where his human-performance material helps instructors understand why simple technique replication is inadequate.
Instructor Development
Current Rangemaster Instructor Development programming still identifies Hearne as a staff instructor. (Rangemaster)
This is important because his audience includes people who will themselves teach others.
A concept taught to one instructor may subsequently reach:
a department,
an academy,
a private training company,
or hundreds of individual students.
Human-performance education therefore scales through the instructor network.
Downstream Influence: Warren Wilson
One of the strongest pieces of downstream evidence comes from police instructor Warren Wilson.
After attending Hearne’s teaching, Wilson wrote that Hearne’s material introduced him to an area of human-performance research he previously did not understand and that what he learned made him a much better instructor. (Police1)
That is exactly the type of downstream evidence useful for measuring influence.
Instructor A teaches instructor B.
Instructor B changes how he teaches.
The concept spreads beyond the original classroom.
Downstream Influence: Karl Rehn
Trainer and researcher Karl Rehn has also repeatedly documented Hearne’s material.
Rehn’s reports from Rangemaster professional events discuss Hearne’s work on:
automaticity,
overlearning,
skill retention,
training priorities,
and human performance. (Notes from KR)
He has characterized Who Wins, Who Loses, and Why as material serious defensive-pistol instructors should understand. (Notes from KR)
Again, this demonstrates influence among instructors rather than only end users.
Influence Inside Rangemaster Curriculum
Hearne’s material has also become part of the broader educational architecture surrounding advanced Rangemaster instructor programs.
Independent AARs specifically describe his Who Wins presentation as a block that helped tie together other instructor-development concepts such as automaticity and cognitively demanding shooting. (Swift | Silent | Deadly)
This is significant.
His work is not merely a standalone specialty lecture.
It provides explanatory theory for why much of the other training works.
Explaining the Mechanism
This is perhaps Hearne’s greatest contribution.
Firearms instructors have long known certain things empirically.
Practice matters.
Repetition matters.
Stress changes performance.
Experienced people sometimes react faster.
Well-practiced shooters can accomplish tasks without appearing to consciously deliberate through each step.
Hearne helps explain why.
Mechanism matters.
From Observation to Explanation
Consider the statement:
“Train more because training helps under stress.”
That is directionally useful.
Now compare:
Repeated correct practice can increase automaticity, reducing the attentional demand required to perform a motor task, which preserves more cognitive capacity for perception and decision-making during a high-stress event.
The second explanation gives the instructor a mechanism.
Understanding the mechanism improves curriculum design.
Better Mechanisms Produce Better Training
Once the instructor understands the mechanism, better questions become possible.
Which skills should be automated?
How much practice is enough?
What should remain consciously controlled?
What types of practice improve retention?
How quickly does performance decay?
Does a drill test motor skill or decision-making?
Is the student being trained to recognize stimuli or merely respond to a memorized sequence?
These questions produce better instruction.
Pattern Recognition
Expertise also changes what people perceive.
An experienced practitioner may recognize a developing problem earlier because patterns that are meaningless to a novice are familiar to the expert.
That can make the expert appear to possess extraordinarily fast reactions.
In reality, part of the advantage may occur before the obvious stimulus.
The expert recognizes the pattern sooner.
This insight has major implications for defensive training.
Experience Changes Reaction
Raw reaction time cannot fully explain expert performance.
If two humans possess similar basic neurological reaction capability, but one consistently responds earlier, the difference may involve:
recognition,
anticipation,
decision efficiency,
or previously developed mental models.
Training therefore should improve more than trigger speed.
It should improve recognition.
Knowledge Enables Recognition
This creates a useful sequence:
knowledge creates patterns.
Experience strengthens pattern recognition.
Pattern recognition improves prediction.
Prediction can produce earlier and better decisions.
This is another reason classroom education can have genuine tactical value.
Fitness
Hearne also includes physical fitness among major controllable contributors to high-stress performance. (Notes from KR)
This is sometimes neglected in firearms training.
A person may possess excellent technical shooting ability while being physically incapable of sustaining effort, moving effectively, recovering from exertion, or tolerating physiological stress.
The body and mind are not independent systems.
Equipment
Equipment remains part of Hearne’s model.
But importantly, it is only one part.
This creates a more balanced hierarchy:
competent equipment,
physical preparation,
deeply learned skills,
and emotional/cognitive preparation.
The shooter who buys only the first component has addressed only one portion of the problem.
Competitive Shooting
Hearne is not merely a classroom researcher.
His documented competitive record includes numerous high placements in pistol, rifle, shotgun, and multi-gun events.
His 2017 curriculum vitae records:
multiple High Lawman finishes at the Rangemaster Tactical Conference,
multiple second-place overall finishes,
an overall Rangemaster/Polite Society Match win,
a Blue Steel Patrol Rifle Match victory,
and recognition as a Top Practitioner at the National Tactical Invitational. (Rangemaster)
Theory Must Survive Performance
This matters.
An instructor discussing motor learning should understand motor performance.
An instructor discussing automaticity should have actually developed substantial automatic firearms skills.
Hearne has done both.
That makes the research-to-practice connection stronger.
Rogers Shooting School and Gunsite
Hearne’s documented training history includes an Advanced rifle rating at Rogers Shooting School and an Expert rating in Gunsite’s pistol program, along with extensive additional training. (Rangemaster)
Again, the importance is not accumulating schools.
The broader point is exposure to multiple instructional systems over decades.
That provides material for comparison.
Field Training
Hearne’s extensive field-training background also deserves emphasis.
He served as:
Field Training Officer,
Field Training Supervisor,
and a member of the National Field Training Advisory Committee. (Rangemaster)
Field training is essentially applied adult learning under occupational conditions.
The FTO observes whether academy learning transfers to real work.
That likely provides fertile ground for someone interested in cognition and human performance.
The Difference Between Knowing and Doing
A trainee can pass an examination.
Then fail to apply the information correctly in the field.
This gap between:
knowledge
and
performance
is one of the central problems Hearne’s later work addresses.
Knowing the answer is not always sufficient.
The person must be able to access the answer when conditions are difficult.
Use of Force and Legal Instruction
Hearne also taught use of force and legal updates during his agency career. (Two Pillars Training)
His experience as an agency prosecutor adds another unusual dimension.
He handled matters including:
trials,
plea negotiations,
discovery,
and sentencing recommendations. (Rangemaster)
That provides a perspective few firearms instructors possess.
The person must not merely perform mechanically.
The decision must also be legally defensible.
Training for Decision Quality
This reinforces the larger Hearne model.
A defensive encounter is not primarily a shooting contest.
The highest-order task is making a good decision under time pressure.
Shooting skill matters only after circumstances justify its use.
That makes cognition central.
Target Development
Hearne has also made practical contributions to firearms-training equipment.
His documented CV credits him with development of:
MGM Proper Popper,
MGM Econo-Dropper,
and
DVC Hard Head Ted
reactive training targets. (Rangemaster)
These are smaller contributions than his human-performance work, but they reinforce a recurring theme:
training tools should help create meaningful problems.
Armorer Checklists
Hearne also developed detailed SIG pistol and AR-15/M16 armorer inspection checklists reportedly used by multiple agencies. (Rangemaster)
This is a useful example of converting tacit expertise into repeatable process.
An experienced armorer may know what to inspect.
A checklist allows that knowledge to be:
standardized,
transmitted,
and reproduced.
That is instructional design in another form.
Two Pillars Training
Hearne founded Two Pillars Training in 2021. (Two Pillars Training)
The company’s curriculum allows his work to stand independently from his federal career while continuing his relationship with Rangemaster.
Current offerings include:
Who Wins, Who Loses, and Why,
Cognitive Pistol,
Tactical Anatomy integrations,
pistol coursework,
and carbine training. (MeadHall Range)
Why “Two Pillars” Fits the Work
Even without overinterpreting the company name, Hearne’s curriculum repeatedly connects two broad requirements:
capability
and
cognition.
The person must be able to perform.
The person must also know what to do.
One without the other is incomplete.
Skill Without Judgment
A shooter with extraordinary technical skill but poor judgment can make a catastrophic decision very efficiently.
Judgment Without Skill
A person with excellent judgment but insufficient technical ability may recognize the correct action and still be unable to execute it.
The Complete Problem
Defensive competence therefore requires both:
correct decision
and
sufficient execution.
Hearne’s work helps connect them.
Influence on Modern Training Language
Terms like:
automaticity,
cognitive load,
overlearning,
emotional regulation,
pattern recognition,
and human performance
are increasingly common within sophisticated firearms-training discussions.
Hearne did not invent these scientific concepts.
That distinction matters.
His contribution is in translating, contextualizing, and propagating them within the defensive-firearms community.
That is itself a significant form of intellectual leadership.
Translation Is Valuable
A neuroscience paper may be technically excellent.
Most firearms instructors will never read it.
A motor-learning study may have important implications for training.
It may also be buried behind academic language, statistical methods, and disciplinary terminology.
The translator identifies what matters and explains why practitioners should care.
Hearne occupies that role.
Research Curator
This makes research curator another useful description.
He reads broadly.
Finds relevant studies.
Compares claims.
Identifies mechanisms.
Translates them into professional language.
Then turns them into actionable training recommendations.
Chris Baker’s Lucky Gunner interview specifically identifies Hearne as one of the leading instructors providing detailed, actionable instruction on the mental side of preparing for lethal conflict. (Lucky Gunner)
Massad Ayoob’s Assessment
In 2025, Massad Ayoob profiled Hearne’s training in American Handgunner and highlighted the breadth of his curriculum, including:
legal issues,
criminal victim selection,
preparedness,
reaction,
violent-crime patterns,
and shooting performance.
Ayoob also noted Hearne’s longstanding Rangemaster involvement and high-level competitive performance. (American Handgunner)
This provides useful independent confirmation that Hearne’s teaching extends beyond mechanical gun handling.
Why This Matters to the Industry
The firearms-training industry naturally rewards visible performance.
Fast shooting is easy to see.
A tight group is easy to photograph.
Equipment is easy to sell.
Human cognition is harder.
Automaticity cannot be photographed directly.
Decision quality is difficult to reduce to a single score.
Emotional regulation is invisible until tested.
That makes these subjects easier to neglect.
Hearne forces them into the conversation.
Moving the Conversation Upstream
This may be the best way to understand his industry influence.
Many instructors work at the level of:
How should I perform this technique?
Hearne frequently moves the conversation upstream:
What allows the human brain to access this technique under stress?
And further:
What determines whether the person recognizes that this is the correct technique or decision in the first place?
Those are more foundational questions.
Equipment Is Downstream of the Operator
A firearm is only useful to the degree the operator can:
recognize the problem,
select the correct response,
and execute the response.
The hardware is downstream from the person.
That is why Hearne’s work has relevance even when firearm technology changes.
Technology Changes Faster Than Humans
Pistols change.
Optics change.
Lights improve.
Holsters improve.
Ammunition improves.
The human nervous system does not update with each product generation.
Research into human learning and performance therefore remains applicable across equipment cycles.
That gives Hearne’s material unusual durability.
Professional Assessment
John Hearne should be considered one of the more important intellectual translators of human-performance research within contemporary defensive-firearms training.
His credibility rests on an unusually broad practical foundation.
He served as a federal law-enforcement officer for more than three decades, retiring as a field supervisor. (Two Pillars Training)
He has taught firearms professionally for Rangemaster since 2001. (Two Pillars Training)
He developed agency training in:
firearms,
tactics,
use of force,
officer survival,
legal updates,
building clearance,
and rescue. (Rangemaster)
He has extensive field-training experience.
He served as an agency prosecutor.
He possesses a substantial documented competitive-shooting record.
He has completed high-level training through organizations including Rogers Shooting School and Gunsite.
He has trained law-enforcement, military, and private students. (Rangemaster)
But those credentials do not by themselves explain his influence.
The distinguishing contribution is what Hearne did with them.
He began asking deeper questions about why performance succeeds or fails.
Why does one person remain functional under enormous pressure?
Why does another lose access to skills?
How deeply must something be learned before it survives stress?
How does emotional arousal affect cognition?
Why does expert performance appear faster?
How does pattern recognition change reaction?
How much practice is required for automaticity?
What decays when practice stops?
Which functions should become automatic so the brain remains available for judgment?
Those questions move firearms instruction beyond technique.
Hearne’s Who Wins, Who Loses, and Why presentation organized many of those ideas into a coherent framework that professional firearms instructors could understand and use. (Lucky Gunner)
The downstream evidence is unusually strong.
Experienced police instructor Warren Wilson explicitly credits Hearne’s material with making him a better instructor. (Police1)
Karl Rehn has repeatedly brought Hearne’s lessons on automaticity, overlearning, retention, and training priorities back to his own professional audience. (Notes from KR)
Rangemaster continues to use Hearne as a staff instructor in programs designed to develop other firearms instructors. (Rangemaster)
His work is therefore propagating through instructors rather than remaining confined to his own classroom.
Hearne did not invent automaticity, cognitive load, motor learning, or the scientific study of stress.
His contribution is different and more defensible:
He became one of the firearms-training community’s most effective translators of those disciplines, connecting scientific research to the practical requirements of people who may need to think and perform with a gun under extreme consequence.
That distinction matters.
His professional legacy is not a particular grip.
It is not a shooting stance.
It is not a proprietary reload.
It is a framework for understanding the human operating system beneath all of them.
The strongest concise formulation is:
John Hearne is a retired federal law-enforcement officer, Rangemaster staff instructor, competitive shooter, and founder of Two Pillars Training whose research-based teaching on automaticity, cognition, emotional control, motor learning, decision-making, and human performance under stress has significantly influenced how contemporary defensive-firearms instructors think about preparing people for high-consequence events.
His contribution can be summarized as:
Understand how humans learn.
Build skills deeply enough to survive stress.
Automate what should not consume conscious attention.
Preserve cognitive capacity for what actually requires thought.
Recognize the problem.
Make the correct decision.
Then perform.
That is the strongest basis for John Hearne’s influence on contemporary firearms training.
Selected Sources
Two Pillars Training — About John. Current official biography documenting Hearne’s public-safety career, 1992–2023 federal law-enforcement service, Rangemaster role since 2001, agency instructional work, and founding of Two Pillars Training in 2021. (Two Pillars Training)
John Hearne Curriculum Vitae / Rangemaster. Detailed primary-source record of his law-enforcement assignments, National Park Service instruction, field-training work, military and law-enforcement students, competition record, firearms training, target development, and armorer checklists. (Rangemaster)
Lucky Gunner — Thinking With a Gun in Your Hand. Extensive interview in which Hearne explains the purpose and framework of Who Wins, Who Loses, and Why, including emotional versus rational processing and performance under severe stress. (Lucky Gunner)
Police1 — A Weekend of Firearms Instruction by John Hearne. Particularly strong independent evidence of downstream instructor influence. Warren Wilson states that Hearne’s human-performance material significantly changed his understanding and improved his own instruction. The article also documents Cognitive Pistol and Tactical Anatomy coursework. (Police1)
KR Training — Rangemaster Instructor Conference. Documents Hearne’s model emphasizing emotional control, automaticity, fitness, and equipment and illustrates how other professional instructors have carried his concepts into their own educational work. (Notes from KR)
KR Training — 2024 Rangemaster Professional Trainers Symposium. Documents Hearne’s teaching on motor learning, overlearning, retention, and automaticity and characterizes Who Wins, Who Loses, and Why as important material for serious defensive-firearms instructors. (Notes from KR)
Two Pillars Training / MeadHall — Who Wins, Who Loses, and Why. Current course description documenting the presentation’s emphasis on contemporary research, human performance under stress, myth correction, and practical methods for improving critical-event performance. (MeadHall Range)
American Handgunner — What You See: Lessons From John Hearne. Massad Ayoob’s independent 2025 discussion of Hearne’s broader curriculum, Rangemaster history, competitive performance, and emphasis on legal, behavioral, cognitive, and shooting issues. (American Handgunner)
Rangemaster — Instructor Development Course. Current documentation identifying Hearne as a Rangemaster staff instructor involved in professional firearms-instructor development. (Rangemaster)
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John Hearne
John E. Hearne
Two Pillars Training
Rangemaster
Rangemaster Staff Instructor
Who Wins Who Loses and Why
Who Wins, Who Loses, and Why
Understanding Human Performance When Death Is on the Line
human performance
human performance under stress
human performance under fire
firearms human performance
automaticity
automaticity in firearms training
overlearning
motor learning
skill retention
cognitive load
cognition
cognitive firearms training
Cognitive Pistol
thinking with a gun
decision-making
decision-making under stress
emotional control
emotional regulation
stress performance
pattern recognition
recognition-primed performance
expert performance
reaction time
skill acquisition
motor programs
training retention
training transfer
research-based firearms training
evidence-based firearms instruction
firearms training myths
human factors
Rangemaster instructor development
firearms instructor development
federal law enforcement
National Park Service law enforcement
National Park Service Ranger
field training officer
field training supervisor
use-of-force instructor
law-enforcement firearms instructor
competitive shooter
Rangemaster Tactical Conference
Polite Society Match
National Tactical Invitational
Tactical Anatomy
Cognitive Pistol with Tactical Anatomy
Two Pillars Training Cognitive Pistol
defensive handgun
carbine training
professional firearms education
critical incident performance
learning under stress
performance under pressure