The Rock Standard compact size pistol is built in traditional 70-series design and delivered with our top quality production and engineering standards. This pistol is chambered in 45 ACP with a 3.50 button rifled barrel supported by a full length guide rod. Smooth-angled snag-free style allows for quick draw in fast need situations. Includes a low profile angled rear sight along with skeletonized hammer and trigger with adjustable over travel stop and ambidextrous safety. The Rock Standard is finished with a tough parkerzied matte coating and comes with checkered rubber grips. True to all Rock Island 1911s the Rock Standard comes with a crisp factory 4- to 6-pound trigger to give you a great experience right out of the box. – Caliber: 45ACP – Capacity: 7 Rounds – Sights: Front: Dovetail-Mounted Standard Front Sight Rear: Fixed (Novak Type) – Weight Unloaded: 2.16 lbs / .98 kg – Length: 7.125 inch / 181 mm – Height: 5.125 inch / 130 mm – Grips: Rubber Grip – Frame: Parkerized – Slide: Parkerized – Barrel Length: 3.62 inch / 92 mm – Grooves: 6 – Trigger Pull: 4-6 lbs / 1.81 to 2.72 kg – Length of Twist: 1 in 16