1911 Slide / Top End Assembly. Fusion Diamond Series, Action shooting slide set-up, 5-inch standard Government size, 1911 Colt style, Slide/top-end chambered in 45 ACP or 9mm, completely assembled with recoil system and tested. Features high-rib flat top, thick combat style front and rear serrations and standard dovetail black target rear sight with white fiber optic front sight. Diamond Series slides are precision CNC machined from solid 4140 Bar-stock and all heat-treatments completed. These top ends are completely assembled and finished, they have also been test-fired on a slave frame for function. The assembly comes complete with; Slide, barrel, barrel bushing, link, link pin, extractor, firing pin, firing pin spring, stop plate, recoil system and sights. All completely installed, tested and black oxide finished. The firing pin holes on all diamond series slides and top ends are reamed to take the 9mm /38 Super firing pin as with all high grade slides. Standard dovetail Rear: .495 x 65 degree, Front: .330 x 65 degree sight cuts. These top-ends are ready to be assembled to any 1911 Government Frame.