Loading... Please wait...Frame is forged 4140 Carbon steel. Slide is 416r Stainless Steel This is a not an FFL item. This is not a complete frame and still requires machining to be done. 4 Operations left to be completed are Decking the top (must do first) Slide rails hammer hole sear pin holes Beavertail safety fitting (personal preference) Kit does not come with sights or a magazine. Parts list includes Forged frame is 4140 Steel series 70 with 30 LPI checkered grip. Forged slide is 416r Stainless Steel ready to install. Slide is cut for Novak sights. Firing pin hole is .095 will not work on 9mm and up