The Ronin AOS 4.25 blends strength reliability and quality in a lightweight 9mm design. Its forged alloy frame keeps the weight around 30 ounces for easy carry while the 4.25 barrel features a traditional barrel bushing system. The forged hot salt blued slide and stainless steel hammer-forged barrel ensure long-lasting durability. Enhanced with AOS the Ronin now accommodates modern optics employing plates that fit a wide range of popular models like RMR Shield Delta Point Pro and Docter. Each plate includes an integral rear sight ensuring proper optic height an intuitive sight picture and visible co-witnessing in nearly all configurations. The Ronin AOS 4.25 offers a perfect fusion of classic design and modern functionality - Caliber 9mm - Color Blued / Satin Aluminum - Barrel 4.25 Forged Stainless Steel Match Grade Fully Supported Ramp 1:16 - Slide Forged Carbon Steel Blued Optics-Ready - Frame Forged Aluminum Alloy Satin Aluminum Cerakote - Sights Fiber Optic Front Black Serrated Rear - Recoil System Commander Length GI Style - Grips Crossed Cannon Wood Laminate - Magazines (1) 9-Round - Weight 31 oz - Length 7.9 - Height 5.5