Mission First Tactical EXD Polymer Magazines utilize advanced 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. Features50% Stronger3x More Impact Resistant than traditional nylonsNext Generation Long Glass Fiber PolymerEnhanced Strength & DurabilityRibbed front and rear gripping surfaceLong-life USGI-spec stainless steel springFour-way anti-tilt self-lubricating followerFlared floor plateOversized bolt catchPaint Pen dot matrixTool-less disassembly with double floor plate safety release tabs