The Rock Island Armory M1911 A2 Tac Ultra FS HC AOS Semi-Auto Pistol combines the familiarity of John Browning's 1911 design with 10mm ballistic performance to create an optics-ready 1911 with serious muscle. The frame and slide are made from 4140 ordnance steel and refined by Rock Island's carefully managed hand-fitting process for superior precision. The slide is optics-ready to accept a red dot. This model features an adjustable SAO trigger with pull weights between 4 and 6 lbs. GLOCK-compatible sights allow you to use any number of aftermarket sights. Super-aggressive G10 grips provide enhanced traction and control. Beavertail grip safety and manual thumb safety. Includes 1 magazine. 1911 chambered in 10mm Hand-fitted 4140 ordnance steel frame and slide Single-action-only trigger breaks at 46 lbs. Optics-ready slide GLOCK-compatible sights Super-aggressive G10 grips Parkerized finish Beavertail grip safety and manual thumb safety