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. The result is quality, consistency, durability and reliability.
- Fits: AR-15 Rifles Chambered in .223 Caliber / 5.56x45mm - Capacity: 5 Rounds - Color: Black