1911 Slide, Fusion Diamond Series, Commander, Combat, 1911 Colt style Slide, completely machined for 45acp or 9mm/38super caliber barrels. This Slide is precision CNC machined from 4140 Bar-Stock and heat treated. Features thick combat style rear serrations and standard dovetail Rear: .495 X 65 Degree Front: .330 X 65 Degree sight cuts. This slide is supplied "in the white", matte finish and oil dipped. 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 custom grade slides. This slide has the 45 ACP or 9mm/38 Super breech face cut so will work with all of the 45 cartridge groups, 45 acp, 45 Super, 400 Corbon, 460...etc.. or all the 9mm / 38 super cartridge group (9x19, 9x21, 9x23, 38 Super, etc)