Featuring a premium stainless steel body with a corrosion-resistant finish, this Duramag AR-15 20-round magazine is designed to deliver lasting service and superior crack resistance in virtually any environment. The chrome-plated steel spring, coupled with an anti-tilt polymer follower, provides proper cartridge alignment and reliable feeding performance with every shot. Additionally, enhanced interior and exterior geometries offer added dependability, while the welded floorplate ensures improved shock resistance.