Mission First Tactical Extreme Duty Polymer Magazine AR-15 5.56x45mm .223 Rem .300 AAC 30 round

Utilizing new material technology and manufacturing processes for enhanced strength durability and reliability to exceed demanding military performance specifications. Designed for the AR15/M4 but allowing use with a wide range of non-AR15/M4 platforms. 50 percent Stronger 3x More Impact Resistant than traditional nylons Next Generation Long Glass Fiber Polymer Enhanced Strength & Durability Ribbed front and rear gripping surface Long-life USGI-spec stainless steel spring Four-way anti-tilt self