This is a ProMag® STEEL 8-round magazine for Sig P220 pistols in .45 ACP.
Crafted from lightweight, heat-treated steel with special anti-fatigue internal springs and rugged Zytel™ polymer baseplates, these ProMag magazines are the perfect upgrade for your Sig Sauer® P220 pistol. The Sig Sauer P220 was the first of a new generation of no-nonsense combat pistols—designed for ultimate reliability, impressive precision, and performance you can trust your life with. Trusted by police and military organizations from all over the globe, Sig’s P220 is the world standard combat sidearms. Engineered to meet Sig Sauer’s exacting standards for perfect fit and function in P220 pistols, these magazines come with ProMag’s lifetime guarantee—ensuring you’ll receive a free replacement if anything ever happens with your purchase.