Magpul PMAG Gen M3 20 Rd 5.56x45mm 223 Rem - OD Green Polymer

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.

Product 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