ProMag AR-15 Steel Magazine .223/5.56 NATO 20-Round

AR-15 Steel Magazine Features Only the finest polymers or high carbon heat-treated steel go into Pro Mag magazine bodies. ProMag magazine bodies are constructed of high carbon heat-treated steel and TIG-welded for strength. The springs are precision wound using heat-treated chrome silicon wire. Bases and followers are injection molded from polymers selected for their durability. This produces the finest quality magazines that perform under the harshest conditions. AR-15 Steel Magazine Specifications Brand: ProMag Category: Magazines Caliber: .223 / 5.56 Capacity: 20 Rounds Color: Blued Material: Steel Firearm Fit: AR-15 Style: Detachable