Caliber: .45 ACP - Recoil System: Dual Captive Recoil Spring w/ Full Length Guide Rod - Sights: Pro-Glo Tritium/Luminescent Front & Tactical Rack Serrated Rear (Steel) - Weight (with Empty Magazine): 21.5 oz w/ Flush Mag 22.5 oz w/ Mid-Mag - Height: 4.4 w/ Flush Mag 5 w/ Mid-Mag - Slide: Forged Steel Melonite Finish - Barrel: 3.3 Hammer Forged Steel Melonite 1:16 RH Twist - Length 6.5 - Grip Width: .975 - Frame: Black Polymer - Magazines: (1) 5-Round Flush (1) 6-Round Mid-Mag Stainless Steel