PRO MAG Colt 223 Rem / 5.56 NATO 20rd Magazine fits AR15 | Black

Compatible with any AR-15-pattern receiver. The ProMag AR15 223/5.56 20-Round Steel / Polymer Hybrid Magazine features a heat-treated steel feed tower finished in black oxide and a DuPont Zytel polymer body. It uses a high-tensile chrome silicon wire spring and an injection-molded polymer follower to ensure smooth operation, while the precision-machined magazine catch cutout delivers a snug, wobble-free fit for stability under recoil. This is a 20-round magazine made in the USA with a manufacturer's lifetime warranty.