Product Details
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
Technical Specifications
| Collection |
2026 NEW Colors |
| Caliber |
5.56x45mm / .223 Remington |
| Platform |
AR15, M4, M16, SA-80 |
| Capacity |
20 rounds |
| Weight |
4 oz. |
| Length, max |
5.6 in. |
| Compatibility |
Wide compatibility with most 'STANAG 4179' platforms such as the AR15, M4, M16, SCAR MK16/16S, HK416, MR556, M27 IAR, IWI Tavor, and others |
Additional Resources
How to use the Magpul Dot Matrix
Compliance Notices