Steve Shields — High Desert Cartridge Company / Cerberus Training Group
Steve Shields — High Desert Cartridge Company / Cerberus Training Group
Official business: High Desert Cartridge Company / Cerberus Training Group
Professional Biography
Steve Shields is a retired Washington law-enforcement officer, longtime law-enforcement firearms instructor, former state police-academy instructor, armorer, owner and lead instructor of Cerberus Training Group, and founder of High Desert Cartridge Company (HDCC) in Goldendale, Washington.
His professional career is unusual because it connects several normally separate parts of the firearms industry:
law-enforcement operations,
firearms curriculum development,
instructor development,
technical firearms knowledge,
terminal-ballistics and ammunition evaluation,
and commercial ammunition manufacturing.
Shields began his law-enforcement career in 1987 after attending a Park Service law-enforcement academy. He subsequently spent roughly three decades in law enforcement, including lengthy service with a county sheriff’s office, assignments as a forensic detective and sergeant, and years as a firearms instructor. He later served approximately three years at Washington’s state law-enforcement academy, where he was part of the cadre that rewrote firearms curricula for both basic recruits and post-academy officers and certified additional firearms instructors. (High Desert Cartridge Company)
That institutional experience is important.
Shields was not simply responsible for teaching individual officers to shoot. He participated in determining what other officers would be taught, how they would be taught, and how future firearms instructors would be prepared to teach them.
After retiring from law enforcement in 2015, Shields expanded his private instruction through Cerberus Training Group, whose curriculum emphasizes efficient weapon handling, understanding the reason behind each technique, eliminating unnecessary movement, diagnosing individual performance problems, and maintaining attention on the external problem rather than becoming absorbed by the firearm itself. Cerberus summarizes its approach with the principle that there are “no advanced skills, just skills to be developed.” (High Desert Cartridge Company)
Shields then moved into another part of the training ecosystem: ammunition manufacturing.
After gaining hands-on experience operating an existing ammunition company following his law-enforcement retirement, he founded High Desert Cartridge Company in 2019. By 2026, Shields reported that HDCC manufactured more than 60 loads in more than 30 calibers on automated equipment capable of production approaching 250,000 rounds per month. He also reported supplying ammunition to prominent firearms trainers and being selected to supply ammunition associated with two Smith & Wesson revolver releases for 2026. (RevolverGuy)
The stronger evidence of Shields’ influence, however, is not simply production capacity.
It is how he develops ammunition.
Shields has worked directly with experienced revolver practitioners including Darryl Bolke and Bryan Eastridge to identify gaps in commercially available ammunition and develop loads intended to solve specific performance problems. Independent reporting documents HDCC developing .38 Special, .357 Magnum, .32-caliber and other revolver loads around practical concerns such as recoil, point of impact, penetration, shootability, training volume, older firearm durability and consistency between practice and defensive ammunition. (Northwest Firearms)
That produces a particularly useful professional description:
Steve Shields is a law-enforcement firearms instructor, curriculum developer and ammunition manufacturer who applies a continuous feedback loop between training, shooter performance, firearm behavior and ammunition performance to solve practical problems for professional trainers and serious armed citizens.
His influence therefore extends beyond teaching people to shoot.
He helps influence:
what instructors teach,
how shooters perform,
what ammunition trainers can obtain,
and how ammunition is configured for specific real-world requirements.
Key Areas of Expertise / Notable Contributions
Law-Enforcement Firearms Instruction
Shields has more than three decades of experience in law-enforcement firearms instruction. His official biography states that he has taught more than 1,000 law-enforcement officers, SWAT members and private citizens. (High Desert Cartridge Company)
His professional background includes:
patrol and investigative law enforcement,
supervision,
forensic investigation,
firearms instruction,
armorer responsibilities,
state-academy instruction,
and continuing post-retirement law-enforcement training. (High Desert Cartridge Company)
State-Academy Curriculum Development
One of Shields’ strongest institutional contributions occurred during his assignment to Washington’s state law-enforcement academy.
Shields states that he served roughly three years teaching firearms there and participated in a small cadre responsible for rewriting firearms curriculum for:
basic academy recruits
and
post-academy firearms training.
The cadre also certified law-enforcement firearms instructors. (High Desert Cartridge Company)
This substantially increases the scale of his influence.
He was not merely transmitting an existing curriculum.
He helped modify the system through which other officers and instructors were trained.
Instructor Development
Teaching firearms instructors creates second-order influence.
An officer trained by Shields directly benefits from his instruction.
An instructor certified or developed through a curriculum Shields helped create may subsequently train hundreds or thousands of officers.
The pathway becomes:
Shields → instructor → officers → future instructors.
That makes his academy work one of the most consequential portions of his résumé.
Curriculum Failure as a Professional Problem
Cerberus’ official biography identifies a recurring concern in Shields’ teaching career:
identifying where instructors and curricula fail students. (High Desert Cartridge Company)
This is a more sophisticated question than asking whether a student passed a qualification.
A shooter can pass a qualification and still possess substantial deficiencies.
A curriculum can meet administrative standards while failing to build robust performance.
Shields’ concern is therefore not merely:
Did we conduct training?
It is:
Did the training actually prepare the student?
After-Action Feedback
His official biography also notes participation in numerous incident debriefings and after-action reviews that informed subsequent training changes. (High Desert Cartridge Company)
This suggests an important professional loop:
training → incident → evaluation → curriculum correction → retraining.
That is how mature professional training systems should evolve.
Understanding “Why”
A central Cerberus principle is that students should understand why they perform a particular action.
Shields argues that only after the underlying purpose is understood can a method be intelligently:
simplified,
streamlined,
modified,
or replaced. (High Desert Cartridge Company)
This distinguishes principle-based instruction from ritualized technique.
Technique Versus Purpose
Consider an instructor who says:
“Do it this way because this is how I was taught.”
That may transmit a useful technique.
But it does not give the student a mechanism for evaluating the technique later.
Now consider:
“This movement exists to solve this specific problem. Here are the constraints. Here is what must be preserved.”
The student can now evaluate alternatives.
That is considerably more transferable.
Efficiency
Efficiency is another recurring theme in Shields’ work.
Cerberus emphasizes removing unnecessary movement and performing weapon manipulations in the most direct practical manner available. (High Desert Cartridge Company)
This does not simply mean:
go faster.
Efficiency means reducing wasted motion.
Speed can emerge from efficiency.
The “Least Waste” Approach
Independent Cerberus student accounts repeatedly describe Shields teaching what students interpreted as the least-waste method of accomplishing firearm manipulations.
Students report:
removing unnecessary motion,
simplifying presentation,
improving reloads,
correcting grip and posture,
and making transitions more deliberate and efficient. (High Desert Cartridge Company)
That gives his training philosophy a recognizable structure:
identify the task → eliminate unnecessary action → repeat the efficient solution until it becomes reliable.
Focus on the Problem, Not the Gun
Another notable Cerberus concept is maintaining attention on the external environment rather than becoming visually or cognitively consumed by the weapon.
The official curriculum states that the shooter should develop sufficient familiarity with the firearm that attention can remain focused on the surrounding problem. (High Desert Cartridge Company)
That has obvious defensive relevance.
The firearm is a tool.
The threat environment is the actual problem.
Weapon Manipulation Should Become Cheap
A useful way to describe Shields’ approach is that weapon operation should become cognitively inexpensive.
If the shooter must devote excessive attention to:
the safety,
reloads,
malfunctions,
presentation,
or basic operation,
less attention remains available for:
threat assessment,
movement,
communication,
and decision-making.
That principle connects his work to broader human-performance concepts taught by instructors such as John Hearne, even though Shields arrives at the issue largely through occupational experience.
Cerberus Training Group
Cerberus Training Group operates from Shields’ facility near Goldendale, Washington.
Current curriculum includes individualized and group firearms instruction built around Shields’ principle:
“There are no advanced skills, just skills to be developed.” (High Desert Cartridge Company)
That phrase is significant.
It rejects the common assumption that advanced performance requires increasingly exotic techniques.
Instead, high-level performance often comes from:
better fundamentals,
better consistency,
better diagnosis,
better understanding,
and better execution.
Fundamentals Under Pressure
Independent reviews of Cerberus’ Run the Gun curriculum describe progressively increasing:
time pressure,
distance,
manipulation requirements,
and cognitive demand
while continuing to require accountability for hits. (Northwest Firearms)
This reflects a useful philosophy:
before adding complexity, the shooter must actually possess the underlying skill.
Diagnostic Instruction
Students consistently describe Shields correcting individual performance rather than simply delivering generic demonstrations.
His official biography states that drills are intended to help shooters eventually recognize and diagnose their own mistakes. (High Desert Cartridge Company)
That is particularly valuable.
The ideal student eventually becomes less dependent upon the instructor.
Self-Diagnosis
An instructor can correct a shooter during class.
But the student may spend hundreds of hours practicing afterward without an instructor present.
If the shooter can identify:
what went wrong,
why it went wrong,
and how to correct it,
the value of the original instruction continues after the course ends.
That is a more durable training outcome.
Technical Firearms Knowledge
Shields has extensive armorer experience.
His official biography lists armorer training or certification involving platforms from:
Smith & Wesson,
Glock,
Remington,
SIG,
Colt,
Springfield,
Heckler & Koch,
and AR/M16 systems. (High Desert Cartridge Company)
He also trained with recognized technical specialists including Ken Elmore, Larry Vickers and the School of the American Rifle. (High Desert Cartridge Company)
This technical background matters because it allows Shields to evaluate the interaction between:
operator,
weapon,
parts,
maintenance,
and ammunition.
The Whole System
Firearms problems are sometimes misdiagnosed because people isolate one component.
A malfunction occurs.
The ammunition is blamed.
Or the gun.
Or the shooter.
But actual causes may include interactions among:
ammunition dimensions,
spring rates,
magazines,
extractors,
lubrication,
grip,
weapon wear,
or maintenance.
Shields’ combined armorer, instructor and ammunition-manufacturing background gives him an unusually broad view of that system.
Transition Into Ammunition Manufacturing
Shields’ movement into ammunition production did not begin simply as a commercial venture.
Around 2015 he began working with a small ammunition manufacturer while still involved in law enforcement. He learned its machinery, production methods and business operations and eventually managed the operation after retiring. (RevolverGuy)
When that business later closed, Shields founded High Desert Cartridge Company in 2019. (RevolverGuy)
That sequence is important.
His ammunition work grew out of hands-on manufacturing experience combined with decades of firearms instruction.
High Desert Cartridge Company
By 2026, HDCC had developed a broad commercial catalog.
Shields reported:
more than 60 loads
across more than 30 calibers
with automated manufacturing equipment capable of approximately 250,000 rounds per month. (RevolverGuy)
HDCC’s importance within this project, however, is better demonstrated by the company’s willingness to develop specialized practical loads with experienced end users.
Practitioner-Driven Ammunition Development
Many ammunition products begin with a marketing objective.
Shields’ more interesting projects often begin with:
What problem are shooters actually having?
That reverses the process.
Problem first.
Product second.
Darryl Bolke Collaboration
A particularly strong example involves Darryl Bolke.
Bolke had publicly discussed problems with available .38 Special and .357 Magnum ammunition.
Shields contacted him and sought input about ammunition needs in the serious revolver-training community.
The two subsequently developed loads intended to fill those gaps. (Northwest Firearms)
That is a very strong example of user-centered product development.
Training Ammunition That Does Not Punish the Shooter
One recurring problem in revolver training is full-power ammunition.
A load may perform impressively on paper while producing:
excessive recoil,
accelerated firearm wear,
slower recovery,
or physical punishment during high-volume training.
This becomes particularly relevant with:
light revolvers,
older revolvers,
and shooters performing hundreds of repetitions.
Bolke and Shields worked toward loads that maintained useful ballistic capability without unnecessarily abusing the gun or shooter. (Smith & Wesson Forum)
Matching Training and Defensive Loads
Another useful concept in HDCC’s revolver development is producing training and defensive loads with similar external shooting characteristics.
A shooter ideally should not have:
one recoil impulse,
one point of impact,
and one handling characteristic
during practice,
then encounter something substantially different with defensive ammunition.
Matching practice and carry loads helps reduce that discrepancy. (Smith & Wesson Forum)
.357 Magnum Development
Bolke has described working with Shields on a 158-grain .357 Magnum concept intended to provide useful magnum performance while reducing unnecessary punishment to both shooter and gun.
This is especially relevant to older Smith & Wesson K-frame revolvers and similar guns where extremely high-volume use of maximum-pressure ammunition may be undesirable. (Smith & Wesson Forum)
The goal was not:
make the hottest ammunition possible.
It was:
produce the amount of performance actually required.
That distinction mirrors Shields’ firearms instruction.
Efficiency over excess.
The Same Philosophy in Ammunition
This creates an interesting consistency.
Cerberus asks:
What movement is actually necessary?
High Desert asks:
What ballistic performance is actually necessary?
Both reject unnecessary excess.
That makes Shields’ training and manufacturing philosophies unusually coherent.
Bryan Eastridge Collaboration
Shields has also worked with Bryan Eastridge and the American Fighting Revolver network.
Eastridge’s work on practical modern revolvers and concealed-carry revolver performance provides HDCC with experienced end-user feedback.
Independent reporting confirms HDCC collaboration with AFR-associated users on revolver ammunition, particularly in the rapidly expanding .32-caliber defensive-revolver space. (GunsAmerica)
.32 H&R Magnum
HDCC has become particularly visible for .32 H&R Magnum and related .32-caliber ammunition.
Independent testing of HDCC loads has included:
100-grain XTP hollow points,
100-grain round-nose flat points,
and 98-grain wadcutters. (GunsAmerica)
These loads address multiple purposes:
defensive use,
practice,
and low-recoil deep-penetrating revolver applications.
Supporting a Renewed Revolver Market
This timing is significant.
Interest in modern defensive revolvers—particularly .32-caliber guns—has increased through projects such as the Lipsey’s / Smith & Wesson Ultimate Carry line.
A firearm platform cannot become broadly useful without appropriate ammunition.
The ecosystem needs:
guns,
holsters,
grips,
training,
and ammunition.
HDCC helps fill the ammunition portion of that ecosystem.
Smith & Wesson 2026
In a March 2026 article, Shields reported that High Desert Cartridge Company had been selected to supply ammunition to Smith & Wesson for two new revolver releases for 2026. (RevolverGuy)
Because the statement currently comes from Shields rather than an independently located Smith & Wesson announcement, it is most precise to describe this as a company-reported industry relationship, not independent proof of a formal broad corporate partnership.
Even with that qualification, it demonstrates the direction HDCC has moved:
from small specialist manufacturer
toward direct relevance to a major firearms manufacturer’s product ecosystem.
Independent Ammunition Testing
RevolverGuy has conducted substantial independent evaluation of High Desert ammunition.
Its reporting characterizes Shields’ revolver line as focused on practical loading levels and documents HDCC ammunition across numerous revolver calibers. (RevolverGuy)
RevolverGuy’s initial profile of Shields also describes him as a retired career lawman and firearms instructor who moved from law enforcement into ammunition manufacturing. (RevolverGuy)
That independent coverage is important because it corroborates the connection between his instructor background and his manufacturing work.
Real Users as Development Partners
Shields’ network provides another advantage.
Rather than evaluating ammunition exclusively inside the factory, HDCC can obtain feedback from people who:
teach high-volume courses,
shoot older and newer revolvers,
chronograph loads,
test accuracy,
evaluate recoil,
and use firearms configurations that expose problems ordinary product testing might miss.
This produces a development cycle:
identify user problem → build load → shoot it → measure it → collect expert feedback → modify → retest.
Instructor Network
Shields has trained with an unusually broad list of contemporary instructors and organizations.
His official biography lists exposure to instructors including:
Clint Smith,
Chuck Taylor,
John Farnam,
Ray Chapman,
Louis Awerbuck,
Dennis Tueller,
Kyle Lamb,
Bill Blowers,
Massad Ayoob,
Chuck Pressburg,
Darryl Bolke,
Jared Reston,
Chuck Haggard,
and Gary Roberts,
among many others. (High Desert Cartridge Company)
This matters less as résumé accumulation than as evidence of cross-pollination.
Continual Updating
A firearms instructor who began teaching decades ago faces a professional danger:
continuing to teach whatever worked when he first became an instructor.
Shields’ training history indicates the opposite behavior.
He continues studying:
shooting,
armorer work,
human performance,
equipment,
and ballistics
with later generations of specialists.
That helps prevent institutional knowledge from turning into institutional stagnation.
Hosting Other Instructors
Cerberus has also functioned as a training venue for other instructors.
Independent community accounts describe Shields bringing outside professional instructors to his Goldendale facility, including programs from people such as Bill Blowers. (Northwest Firearms)
This gives Cerberus another role:
not only a school,
but a regional node in the professional training network.
Knowledge Hub
This has an effect similar to other important training venues.
Students who might not travel across the country for a particular instructor can encounter that instructor locally.
Shields can evaluate outside programs and expose his own students to approaches beyond Cerberus.
That encourages cross-pollination rather than doctrinal isolation.
Downstream Instructor Influence
There is also direct evidence that other instructors have trained under Shields.
The Firearms Academy of Seattle currently identifies one of its instructors as having studied with Steve Shields among a broader group of recognized firearms educators. (The Firearms Academy)
Cerberus’ own instructor Morgan Gamble likewise began as a serious student, trained with Shields and many other national instructors, and subsequently became part of the Cerberus instructor staff. (High Desert Cartridge Company)
This provides tangible second-order influence.
From Student to Instructor
This is an important measure.
The question is no longer:
Did this person enjoy Shields’ class?
It becomes:
Did the training become part of another instructor’s professional development?
In several cases, the answer is yes.
That makes the influence more durable.
Forensic and Investigative Perspective
Shields’ law-enforcement biography also includes work as a forensic detective. (High Desert Cartridge Company)
That experience is relevant to his later ballistic interests.
Investigative work encourages attention to:
physical evidence,
cause and effect,
weapon function,
projectile behavior,
and reconstruction.
While this does not itself make someone a terminal-ballistics scientist, it provides a useful professional perspective for someone who later became deeply involved in ammunition manufacturing.
Ballistic Humility
One positive feature of HDCC’s development model is that Shields often seeks input from specialists rather than positioning himself as the sole source of expertise.
Bolke contributes extensive revolver experience.
Eastridge contributes high-level revolver shooting and modern carry expertise.
Other testers contribute chronograph, accuracy and gelatin information.
That is preferable to designing in isolation.
Product Development as Collaboration
This leads to one of the strongest characteristics of Shields’ current industry role:
collaborative product development.
He is not merely selling ammunition to instructors.
He is using instructors as a feedback network to produce ammunition better suited to the work they are doing.
That makes the relationship reciprocal.
Trainer → Manufacturer → Trainer
The loop becomes:
trainer identifies a problem
→
Shields develops ammunition
→
trainers test it
→
HDCC modifies it
→
the improved ammunition returns to training
→
new observations generate additional changes.
That is a mature product-development loop.
A Useful Contrast With Bryan Eastridge
Shields and Eastridge overlap but occupy different parts of the system.
Eastridge helps bridge:
traditional revolver knowledge
→ modern performance
→ equipment and firearm development.
Shields bridges:
training experience
→ ballistic requirement
→ ammunition design
→ manufacturing.
Their collaboration is therefore complementary rather than redundant.
A Useful Contrast With Darryl Bolke
Bolke often identifies practical needs based on decades of operational and revolver experience.
Shields can translate those needs into a manufactured ammunition product.
Bolke may say:
This is the performance envelope we need.
Shields can answer:
How do we build it consistently?
That is a valuable industry relationship.
Training Volume Matters
Shields’ dual role also gives him insight into a problem often ignored in defensive-ammunition discussions:
people need to train with their firearms.
A defensive round that performs well terminally but is:
prohibitively expensive,
excessively abusive,
difficult to source,
or substantially different from practice ammunition
creates training problems.
Ammunition design therefore has human-performance consequences.
Shootability Is a Performance Characteristic
Shootability should not be dismissed as comfort.
Lower unnecessary recoil can support:
faster recovery,
better accuracy,
greater training volume,
less shooter fatigue,
and reduced wear on some firearms.
The goal is not always minimum recoil.
The goal is sufficient ballistic effect with manageable performance characteristics.
HDCC’s practitioner-driven revolver loads reflect that balance. (GunsAmerica)
Firearms Training and Manufacturing Should Talk to Each Other
One of the larger lessons from Shields’ career is that training and manufacturing benefit from communication.
Manufacturers may know how to produce ammunition.
Instructors know how ammunition behaves across:
large round counts,
different shooters,
different guns,
different distances,
and practical training environments.
Neither perspective is complete alone.
Shields operates in both.
Practicality as the Connecting Theme
At first glance, Cerberus Training Group and High Desert Cartridge Company could appear to be two unrelated businesses.
They are actually connected by a common philosophy:
practical efficiency.
In training:
remove wasted motion.
In equipment:
use what solves the actual problem.
In ammunition:
produce the performance required without unnecessary excess.
In curriculum:
teach the reason rather than the ritual.
In product development:
listen to experienced users.
That consistency gives Shields a stronger professional identity.
Professional Assessment
Steve Shields should be considered a significant practitioner at the intersection of law-enforcement firearms instruction, instructor development and practitioner-driven ammunition manufacturing.
His professional credibility begins with approximately three decades in law enforcement.
He began the career in 1987.
He served for decades with a county sheriff’s office.
He worked as a forensic detective and supervisor.
He became a firearms instructor and armorer. (High Desert Cartridge Company)
He then served at Washington’s state law-enforcement academy, where he helped rewrite basic and post-academy firearms training and certify additional instructors. (High Desert Cartridge Company)
That alone gives him meaningful institutional influence.
But Shields subsequently extended that experience into two additional domains.
Through Cerberus Training Group, he developed a training philosophy built around:
efficiency,
fundamentals,
self-diagnosis,
performance under pressure,
attention to the external problem,
and understanding why techniques exist. (High Desert Cartridge Company)
Through High Desert Cartridge Company, he applied many of the same principles to ammunition development.
Instead of asking merely:
How much velocity can this cartridge produce?
his collaborations ask:
What does this shooter actually need this cartridge to do?
That has led to work involving:
.32-caliber defensive and training ammunition,
.38 Special,
.357 Magnum,
.44 Magnum,
and numerous other revolver and semiautomatic cartridges. (GunsAmerica)
The strongest evidence of his broader influence lies in the professional network around those products.
Experienced instructors and revolver specialists such as Darryl Bolke and Bryan Eastridge have worked with Shields to identify gaps in available ammunition.
Shields has then translated those requirements into production ammunition. (Northwest Firearms)
Independent reviewers have chronographed, accuracy-tested and otherwise evaluated HDCC products. (GunsAmerica)
The resulting ammunition has become increasingly visible within the modern defensive-revolver community.
By 2026, Shields reported that High Desert was producing more than 60 loads in more than 30 calibers and had been selected to provide ammunition connected to two new Smith & Wesson revolver introductions. (RevolverGuy)
Taken together, the evidence supports a distinctive professional thesis:
Steve Shields’ influence comes from connecting the feedback loop between the people who teach firearms, the people who use firearms, the firearms themselves, and the ammunition that makes those systems function.
He understands training.
He understands firearms mechanically.
He understands agency curriculum.
He understands high-volume shooter requirements.
And he now possesses direct control over ammunition manufacturing.
Few trainers operate across all of those domains.
The strongest concise description is:
Steve Shields is a retired law-enforcement officer, former state-academy firearms instructor and curriculum developer, founder of Cerberus Training Group, and owner of High Desert Cartridge Company whose work integrates firearms instruction, instructor development, armorer knowledge and practitioner-driven ammunition design into a continuous real-world performance feedback loop.
His professional model can be summarized as:
Identify the problem.
Understand why it exists.
Remove unnecessary complexity.
Train the skill.
Measure the result.
Evaluate the gun and ammunition.
Get feedback from experienced users.
Modify what does not work.
Test it again.
That is the strongest basis for Steve Shields’ influence within the contemporary firearms-training and ammunition industries.
Selected Sources
High Desert Cartridge Company / Cerberus Training Group — official Steve Shields biography. Primary source documenting Shields’ law-enforcement career, state-academy curriculum work, instructor development, armorer background, training philosophy and continued law-enforcement instruction. (High Desert Cartridge Company)
RevolverGuy — High Desert Cartridge Company. Detailed independent profile tracing Shields’ transition from Park Service law-enforcement training through county law enforcement, state-academy firearms instruction, ammunition manufacturing and the founding of HDCC in 2019. (RevolverGuy)
Steve Shields / RevolverGuy — A Tale of Two Calibers. Current 2026 first-person account documenting Shields’ law-enforcement history, academy curriculum-development role, HDCC production scale and reported Smith & Wesson ammunition relationship. (RevolverGuy)
RevolverGuy — High Desert Cartridge Company’s Revolver Ammunition. Independent technical coverage of HDCC’s broad revolver-ammunition line and its emphasis on practical loading levels. (RevolverGuy)
GunsAmerica — 432 UC Ti. Independent chronograph, accuracy and ballistic evaluation of HDCC .32-caliber ammunition and documentation of Shields’ relationships with Lipsey’s and the American Fighting Revolver community. (GunsAmerica)
American Cop — S&W 632 UC Ti ammunition testing. Independent reporting describing HDCC as producing handgun and rifle ammunition based on direct input from experienced trainers and end users. (American Cop)
Northwest Firearms — Shields/Bolke .38 and .357 development discussion. Useful direct documentation of Shields contacting Darryl Bolke to identify gaps in available serious-revolver ammunition and collaboratively developing loads to address them. (Northwest Firearms)
Firearms Academy of Seattle — Instructor biographies. Provides downstream evidence of another professional firearms instructor including Steve Shields among the instructors who contributed to his professional development. (The Firearms Academy)
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