The Springfield Armory 1911 Ronin AOS is a reliable and durable handgun designed for everyday carry. Its lightweight forged alloy frame weighs in at approximately 29.5 ounces, making it easy to handle and maneuver. The 4.25-inch barrel features a traditional barrel bushing system, ensuring smooth operation and accuracy. The Ronin AOS also boasts a forged hot salt blued slide and stainless steel hammer-forged barrel, guaranteeing long-lasting durability. With its enhanced AOS system, this handgun accommodates modern optics, including popular models like RMR, Shield, Delta Point Pro, and Docter. Fast shipping ensures you'll be able to get your hands on this reliable sidearm quickly. The Ronin AOS is a top choice for those seeking a high-quality, versatile handgun. Key Benefits and Features: Caliber: .45 ACP Color: Blued / Satin Aluminum Barrel: 4.25" Slide: Forged Carbon Steel, Blued Frame: Forged Aluminum Alloy, Satin Aluminum Cerakote Sights: Fiber Optic Front, Black Serrated Rear