The ideal upgrade for your Ruger® SR1911 is the.45 ACP 8-Round Magazine with Floorplate. This factory magazine is built with sturdy stainless steel and has an impact-resistant polymer baseplate for long-lasting field performance in just about any setting. Additionally, numbered witness holes make it simple to track capacity while moving. In high-stress target and defense scenarios, the stainless steel wire spring and flat steel follower assure smooth, dependable feeding. Ruger’s SR1911 produces an All-American classic with remarkable features and an unbeatable factory magazine by fusing John Browning’s masterpiece handgun design with the benefits of modern manufacture. Grab some extra SR1911 magazines today and increase your bets. Firepower of a 45 ACP! American made.