The Rock standard full size Pistol built in traditional classic Series 70 design and delivered with our top Quality Production and Engineering Standard Chambered in .45 ACP with 5 button rifled Barrel. The Slide has a Double Wide Slant Serration and with traditional Roll Over Ejection Port. Slide and Frame are Stainless and all exposed parts are matte chrome SAE 4140 high grade steel. Front/Rear sight and internal parts are parkerized finish. Smooth angled snag free low profile rear sight allow for quick draw in fast need situation. Includes skeletonized hammer beavertail grip saftey and ambidextrous saftey lock which is standard in the Rock Series. Grips is a double diamond cheeckered wood. Rock Island Armory Pistol comes with crisp factory 4- to 6- pound trigger pull. Making it a great experience right out of the box. - Caliber: 45 ACP - Capacity: 8 rounds - Front Sight: Mounted Dovetail Cut - Rear Sight: Mounted Dovetail Cut - Weight Unloaded: 1.13kg (2.5lbs) - Overall Length: 244mm (9 5/8) - Overall Width: 3mm (1 5/6) - Overall Height: 140mm (5 1/2) - Barrel Length: 127mm (5) - Trigger Pull: 1.81-2.72kg (4-6lbs) - Action: Semi-Auto Recoil Operated - Number of Grooves: 6 - Length of Twist: Right Hand 1 Turn in 400mm - Stock: Wood grip (Double diamond Checkering) - Frame: Matte Stainless - Slide: Matte Stainless