The Rock Island Armory Rock Standard CS delivers classic 1911 performance in a compact package chambered in 45 ACP with a 3.63" barrel and premium matte stainless steel construction throughout the frame and slide.Rock Island Armory Rock Standard CS 1911-style pistol45 ACP caliber with 7+1 round capacity3.63" barrel length for compact carryMatte stainless steel frame and slide finishDouble diamond checkered wood gripsSingle action only (SAO) trigger systemBeavertail grip safety and manual thumb safetyDovetail sights and serrated slideCalifornia compliant configurationPerfect for concealed carry personal defense or range shooting this compact 1911 combines traditional design with reliable performance and premium materials in an easily manageable size.