The Armscor/Rock Island Armory Rock Standard Optic .45 ACP is a 1911-style semi-automatic pistol designed for range use and duty-style applications. Its combination of classic single-action controls and an optic-ready slide provides a contemporary option for shooters seeking .45 ACP performance with modern sighting options.
Built on a steel frame with a parkerized finish, this pistol pairs traditional 1911 ergonomics with contemporary features. The slide is cut to accept an RMSc footprint optic and the pistol ships with suppressor-height fixed sights to co-witness with most red dot optics.
Key Specifications
- The caliber is .45 ACP.
- The barrel length is 5″.
- The capacity is 8 + 1.
- The action is Single Action.
- The frame is Steel Frame.
- The finish is Parkerized.
- The sights are Suppressor Height Sights.
- The optic is RMSc Optic Mounted.
- The number of magazines is 1 8 rd..
- The weight is 4.25.
Buy the Armscor/Rock Island Armory Rock Standard Optic .45 ACP online today to add a dependable, optic-ready 1911 to your collection that combines traditional controls with modern sighting capability.









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