The PMAG 30 GEN M3 Window keeps you in the fight with instant round count confirmation, rugged polymer construction, and flawless feeding. Engineered for the AR15/M4, it s built to Mil-Spec and beyond for strength, durability, and performance in any environment. The PMAG is the world s most reliable rifle magazine. Product Features MagLevel windows with a high-visibility indicator coil and clear markings to provide a continuous, accurate round count capability Constant-curve internal geometry and self-lubricating anti-tilt follower keep rounds cycling smoothly in any condition Crush-resistant body withstands impacts, drops, and pressure without cracking or splitting Reinforced feed lips and over-insertion stop deliver reliable operation across M4, M16, AR15, HK 416/MR556, M27 IAR, and other platforms Aggressive texturing ensures positive control, paint-pen panels provide quick ID and the slimline removable floorplate makes maintenance easy Tested in extreme heat, cold, mud, and sand to guarantee performance when it matters most Product Specifications Manufacturer: Magpul Model: PMAG Caliber: 5x5.6x45mm / .223 Remington Magazine Capacity: 30 Rds Additional Features: Wide compatibility with most STANAG 4179 platforms such as the AR15, M4, M16, SCAR MK16/16S, HK416, MR556, M27 IAR, IWI Tavor, and others