Mission First Tactical Platform Join Or Die Decorated Extreme Duty AR15/M4 Platform Rifle Magazine - 30 Rounds - 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% 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-Lubricating Follower Flared Floor Plate Oversized Bolt Catch Paint Pen Dot Matrix Tool-Less Disassembly With Double Floor Plate Safety Release Tabs Made In The USA