PMAG 20 round AR/M4 GEN M3, 5.56x45 Mag -

The PMAG 20 AR/M4 GEN M3 delivers a compact 20-round profile with the same proven feeding geometry, anti-tilt follower, and crush-resistant polymer as the rest of the GEN M3 family. Ideal when you want a shorter magazine without sacrificing reliability—built to feed smoothly, survive hard use, and perform when it matters most.

Made in the USA.

NSN: MAG560-BLK 1005-01-710-3291

Features

• Constant-curve internal geometry and self-lubricating anti-tilt follower keep rounds cycling smoothly in any condition
• Crush-resistant polymer body withstands impacts, drops, and pressure without cracking or splitting
• Reinforced feed lips and over-insertion stop deliver reliable function across M4, M16, AR15, HK® 416/MR556, M27 IAR, and other platforms
• Aggressive texturing for positive control, paint-pen panels for quick ID, and a removable floorplate for easy cleaning
• Tested in extreme heat, cold, mud, and sand to guarantee performance when it matters most

RUGGED CONSTRUCTION AND ADVANCED FOLLOWER

• Next-generation impact and crush resistant polymer construction
• The anti-tilt, self-lubricating follower ensures a smooth feed and magazine reliability
• Modified dimensions allow for wider compatibility with non Colt-spec platforms

EASY IDENTIFICATION AND ADVANCED FLOORPLATE

• Utilize the paint pen dot matrix to easily identify magazines with different loadouts
• Flared floorplate aids magazine handling and disassembly, and is slim enough for use with many double and triple pouches

GEN M3 DNA IN A SMALLER PACKAGE

• Compact 20 round magazine accomodates firing from a prone position
• Next-generation impact and crush resistant polymer construction
• Its ribbed gripping surface and aggressive front and rear texture provide positive magazine handling
• Constant-curve internal geometry, over-travel insertion stop on the spine, and a long-life stainless steel spring ensure smooth feeding