The Rock Island Armory 1911 series is a product line of single-action recoil operated semi-automatic pistols.
RIA Tactical pistol (discontinued model)
Rock Island Armory 1911 EFS Stainless Steel in 45 ACP.
.45 ACP
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The.45 ACP, also known as.45 Auto,.45 Automatic, or 11.43×23mm is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pist
Rock Island Armory 1911 series
…Flat grooved steel mainspring housing Calibers: .45 ACP, 10mm Auto, .40 S&W, .38 Super, 9mm Luger, and .22 TCM Finishes: blued, Parkerized, nickel, Patriot brown cerakote…
.45 ACP cartridge full metal jacket
Cross-sectional diagram of U.S. Army .45 ACP ball cartridge for the Model 1911 pistol, with dimensions in inches
Colt Model 1905 pistol
11.43x23 mm Automatic Colt Pistol Mod. 1911 (Peters Cartridge Co, USA)