The Single Biggest Issue with the M4A1: The Magazine

For Force Mod Friday, we are going to be discussing the primary point of failure in the M4A1: The Magazine. The primary cause of double feeds is a magazine that is not within specifications. When the feed lips are too wide, it can cause potential double feeds and induce malfunctions. ‘That’s great.’ You say, ‘but … Read more

Magpul PMAG Gen M3

Magazine Design Philosophy, Testing, and Performance of Magpul Industries PMAG Magazines for the AR/M4/M16/HK416/M249 By Duane Liptak, Director of Product Management and Marketing, Magpul Industries. Director of Magpul Core, Magpul Industries Corp. Building feeding devices for firearms is not a new endeavor, and many materials and methods of construction have been employed for this task. … Read more