The Rock Island Armory M1911-A1 GI pistol in .45 ACP in a Massachusetts-compliant configuration (brand part no. 51416-MA) brings the classic GI-spec 1911 into a compact 3.5-inch barrel length, giving shooters traditional single-action ergonomics in a carry-friendly size. Armscor/Rock Island Armory builds the pistol with a serrated slide and fixed GI-style sights, staying true to the original military-spec design. A beavertail grip safety improves comfort and control, and the pistol ships with one 7-round magazine. Among compact 1911-pattern semi-auto handguns, this M1911-A1 GI configuration favors shooters who want authentic GI styling in a shorter barrel.

Key Specifications

• Chambered in .45 ACP.
• Capacity of 7+1 rounds.
• The barrel measures 3.5 inches, a compact GI-spec length.
• The sights are fixed GI-style, staying true to the original design.
• The safety system includes a beavertail grip safety.
• The slide is serrated for a secure grip when racking.
• This is classified as a Semi-Auto Pistol.
• The action type is Single Action.

Frequently Asked Questions

What sights does this pistol use? Fixed GI-style sights, staying true to the original military-spec design.

Does this pistol have a beavertail? Yes, a beavertail grip safety improves comfort and control.

Buy the Rock Island Armory M1911-A1 GI Pistol

The classic GI-spec 1911 in a compact, Massachusetts-compliant 3.5-inch build is exactly what this M1911-A1 GI delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.