This 1911 Colt style pre-fitted base kit, in 4.25 inch Colt Commander length, Caliber: 45 acp, 70 series, “Top of the Line” Pro-Series, Forged Carbon frame and Slide, Slide with rear cocking serration and fancy top slide serrations. Standard rear Novak .495 x 65 Degree rear sight cut and standard Novak .330 x 65 Degree front cut. Match Stainless 45 acp barrel assembly, Stainless barrel bushing and end cap. Fitted base kit comes complete with fitted frame, slide, barrel, barrel bushing, link, pin, Slide stop and GI recoil system. The Plunger tube and ejector are also installed on this kit. Forged Pro-Series Frame with Checkered front strap. This is a Fusion, Pro-Series Fitted base kit, Rock solid lock up, all “top of the line” Pro-Series, Professional Gunsmithing parts.