Springfield Armory 1911 Operator AOS Features This Operator model utilizes a steel frame with integrated Picatinny rail and an extended beavertail for excellent control and accessory compatibility. The optics-ready slide is serrated and finished in matching Coyote Brown Cerakote for enhanced durability and visual appeal. The Tritium front sight pairs with a black serrated rear for low-light clarity and daytime contrast. Internally the pistol is equipped with a 5 match-grade stainless steel barrel and a 1:16" twist rate for reliable accuracy. Black G10 grips provide aggressive texture and confident retention under recoil while the overall 42 oz weight enhances stability during precision shooting. This 1911 delivers proven performance and updated tactical features in a refined rugged package. Springfield Armory 1911 Operator AOS Specifications Manufacturer: Springfield Armory Model: 1911 Series: Operator AOS Category: Pistols Caliber: .45 ACP Capacity: 8+1 Frame Material: Steel Frame Finish: Coyote Brown Cerakote Frame Description: Steel Frame w / Beavertail & Picatinny Rail Slide Material: Carbon Steel Slide Finish: Coyote Brown Cerakote Slide Description: Optic Ready / Serrated Barrel Material: Stainless Steel Barrel Description: Match Grade Barrel Finish: Black Barrel Length: 5 Twist Rate: 1:16 Sights: Tritium Front / Black Serrated Rear Grips: Black G10 Overall Length: 8.60 Height: 5.25 Weight: 42 oz Max Capacity: 8 Description: Gear Up Pkg