ProMag AR15 .223 / 5.56 40-Round Steel / Polymer Hybrid Magazine

The ProMagA(R) AR15 .223 / 5.56 40-Round Steel / Polymer Hybrid Magazine is a performance-enhanced centerfire rifle magazine, compatible with most Commercial-Spec and Mil-Spec AR-15 receivers. Featuring a heat-treated and black oxide-finished steel feed tower and a shockproof DuPont(TM) ZytelA(R) polymer body, this high-capacity AR-15 magazine offers long-lasting performance in virtually any target-rich environment. The high-tensile chrome silicon wire spring and injection-molded polymer followe