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 buton rifled barrel. The slide has a Double Wide Slant Serration and with traditional Role Over Ejection Port. 4140 high grade Steel with Gun Metal Grey Cerakote Finish Smooth angled snag free low profile Rear Sight allow for quick draw in fast need situation. Includes sketonize Hammer Beavertail Grip Safety and Ambidextrous Safety Lock which is standard in the Rock Series. Grips are G10. 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 - Sights Front: Fixed mounted on dovetail cut - Weight Unloaded: 1.13km (2.5lbs) - Overall Length: 222mm (8 3/4) - Overall Width: 33mm (1 5/16) - Overall Height: 140mm (5 1/2) - Barrel Length:127mm (5) - Action: Semi-Auto Recoil Operated - Number of Grooves: 6 - Length of Twist: Right Hand 1 Turn in 400mm - Rear: Fixed mounted on dovetail cut - Stock: G10 grips - Frame/Slide Finish: Cerkote Gun metal grey - Small Parts Finish: Parkerized