Colt M1991A1 Government Model Series 80 .45 ACP, 5-inch — Old Rollmark, Steel 1911, Gunsmith Special
This Colt M1991A1 Government Model is a .45 ACP Series 80 pistol featuring the earlier "COLT M1991A1" slide rollmark and a Government-length 5-inch configuration. Built in the United States with a steel slide and frame in a matte dark finish, it is offered as a gunsmith special/incomplete project with included parts.
Condition
Overall Condition: Poor condition.
Bore Overall Condition: Not applicable — no barrel is present with this pistol.
Bore Rifling: Not applicable — no barrel is present with this pistol.
Specific Condition Notes: The pistol will need gunsmithing and parts replaced or refreshed. There is widespread scratching, blemishing, and finish loss, with spots of pitting present. The grips are very loose to the frame, and the grip screw bushings free spin, preventing the grips from tightening. The ejector is not installed. The safety selector is not installed.
The plunger tube is being held to the frame by a bent strip of metal retained by the loose grips.
What's Included
- Slide stop (checkered, 1911 pattern)
- Safety selector (thumb safety, 1911 pattern)
- Ejector
- Recoil spring (GI-style)
- GI-style recoil spring guide
- Trigger shoe (serrated, loose)
- Beavertail-style grip safety (installed)
- Textured synthetic grip panels (installed)
The M1991A1 is a full-size, steel-frame Series 80 Government Model in .45 ACP on the classic 1911 platform. It uses a single-action, short-recoil, locked-breech operating system with a 5-inch barrel, and a matte dark finish on both slide and frame.
Markings and rollmarks are collector-relevant: the slide carries the old "COLT M1991A1" rollmark, and the frame is marked "COLT'S MFG. CO., HARTFORD, CONN., U.S.A." Country of origin is the United States.
Factory-style features include sights with a staked front blade, vertical rear cocking serrations, a spur hammer with serrations, and a serrated trigger shoe. The pistol is fitted with black textured synthetic grip panels and a beavertail-style grip safety.
This listing is sold as a gunsmith special/incomplete project. Certain parts are provided, their fitment or potential to be used in restoring this pistol is not guaranteed. Pistol is sold as is.

