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ProMag AR-15 .223 Rem 30-Round Magazine, Steel Blue
Item # 747020
Durable high-carbon heat-treated steel
Precision-wound chrome silicone wire springs
Injected-molded bases and followers
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Product DescriptionProMag 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. Steel blue finish.