The Magpul PMAGA(R) 20 AR/M4 Gen M3 Magazine features all the great aspects you've come to expect from the PMAGA(R) lineup and includes a redesigned bolt catch notch to provide increased bolt catch clearance. It all adds up to military performance from this Mag. .223/5.56x45mm NATO 20-round capacity Durable, but lightweight, polymer construction Constant-curve internal geometry for smooth feeding 4-way anti-tilt, self-lubricating follower USGI-spec stainless steel sprin resists corrosion Over-travel insertion stop on the spine Flared, easily removable floor plate fits many pouches Optimized for Colt-spec AR15/M4 platforms, modified internal and external geometry allows operation with a range of rifles like the HKA(R) 416/MR556A1/M27 IAR, British SA-80, FNA(R) SCAR MK 16/16S, and others Note: Dust cover not included, sold separately Order today!