New Pro- Series grade Fusion, Forged 4140 Carbon steel. PRECISION CNC MACHINED 45 ACP breech face, 1911 colt style, full size 5 inch Government pistol slide, in the white. This slide is very High Quality, with Rear MIL Spec style cocking serrations and round top slide configuration. Sight cuts are Mil spec rear and 70 series/Mil Spec stake on style front. Matte bead blasted finish, you can upgrade to high polished sides for additional charge. 45 ACP Breech face, mil spec style ejection port, This is a Fusion PRO series Match grade 1911 Government slide and will work with most Government and A-1, 1911 pistols and clones. Made with 45 acp firing pin and is 70 or 80 series compatible.