Rock Island Armory | GI Standard FS M1911 | .45 ACP | 51473

The Rock Island Armory GI Standard FS reproduces the classic M1911 A1 profile in a production-grade package chambered in .45 ACP. It features a parkerized finish and a threaded steel barrel, fixed GI-style sights, and traditional full-size ergonomics intended for reliable field handling. A compact red-dot such as the Holosun 507K pairs well with this platform for fast target acquisition while staying under $1,000.

Product Specifications

• The UPC is 4806015514732.
• The manufacturer is Armscor/Rock Island Armory.
• The model/series is GI Standard FS (M1911-A1 GI).
• The caliber is .45 ACP.
• The barrel type is threaded steel.
• The finish is black parkerized.
• The frame material is steel.
• The unloaded weight is 2.47 lbs (39.5 oz).
• The sights are fixed GI-style front and dovetail-mounted rear.
• The slide has serrations for positive manipulation.
• The safety is a beavertail style safety.
• The number of magazines included is 1.
• The listed purpose is personal protection and recreational shooting.
• The ATF manufacturer is ACP / APINTL.
• The manufacturer’s part number / SKU is 51473.

This GI Standard FS M1911 presents the time-tested 1911 ergonomics and control layout in a durable parkerized finish with modern touches like a threaded barrel and serrated slide. Its traditional profile and factory trigger make it straightforward to shoot and maintain, appealing to shooters who want a bare-bones, service-style 1911 that is ready for range work and recreational shooting without unnecessary modification.