The Check-Mate M1A, M14 .308, 7.62 15-Round Parkerized Magazine features a parkerized steel body, designed to deliver exceptional durability and lasting corrosion-resistance in adverse conditions. The steel spring, paired with the anti-tilt follower, ensures smooth, reliable feeding performance. The precision-machined feed lips deliver a snug, wobble-free fit, while the removable steel floor plate offers quick disassembly when cleaning and maintenance are required. Manufacturer’s lifetime warranty.