Durable high-carbon heat-treated steel
Precision-wound chrome silicone wire springs
Injected-molded bases and followers
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 plastic polymers selected for their durability. The result is quality, consistency, durability and reliability. Black finish.
Note: Shipping restrictions are active in CA, CO, CT, HA, IL, MA, MD, NJ, and NY for magazines with 16 or more rounds.