Colt M4 Pistol 5.56 NATO 11.5in SBA5 Brace

The Colt M4 Pistol is an AR-platform pistol chambered in 5.56 NATO with an 11.5-inch barrel and SBA5 stabilizing brace. Its direct gas impingement operating system, M-LOK handguard, and matte black finish provide a practical configuration for range use and firearms training.

The package includes one 30-round Magpul PMAG. The forged 7075-T6 aluminum upper and lower receivers feature a Type III hard coat anodized finish, while the free-float rail provides a full-length M1913 Picatinny top rail and M-LOK mounting surfaces.

Key Specifications

• The pistol is chambered in 5.56 NATO for compatibility with the listed cartridge.
• The barrel measures 11.5 inches and features a manganese phosphate finish with a chrome-lined bore and chamber.
• The action uses a direct gas impingement semi-automatic operating system.
• The firearm includes an SB Tactical SBA5 stabilizing brace and six-position mil-spec receiver extension.
• The free-float handguard offers Magpul M-LOK compatibility with a full-length M1913 Picatinny top rail.
• The upper and lower receivers are made from forged 7075-T6 aluminum.
• The finish is listed as matte black Type III hard coat anodized.
• The rifling is listed as 1:7 right-hand twist with six grooves.
• The package includes one 30-round Magpul PMAG.

With its compact barrel, familiar AR-platform controls, accessory-ready handguard, and Colt configuration, the M4 Pistol offers a straightforward setup for disciplined range practice and training applications.

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