4140 Carbon Steel Frame and Slide CNC Machined from Forgings; 5 inch Stainless Steel Match Grade Barrel with Match Bushing; Lowered and Flared Ejection Port and Rear Slide Serrations; High Profile Low-Mount Tactical Sights; Enhanced Slide to Frame Fit; High Polished Case Colored Frame, Slide and Small Parts; Up-swept Beavertail Grip Safety and Extended Magazine Release; Checkered Mainspring Housing; Fully Machined Extended Tactical Thumb Safety and Slide Stop; Medium Solid Match Grade Trigger and Enhanced Machined Hammer with 4.5 Trigger Pull