Colt IAR Commando 5.56mm Semi-Auto Rifle | 16.1" Barrel

"M4 Commando" model designation engraved on the lower receiver with LE serial number prefix. Rare and limited availability government exclusive product.

The Colt IAR Commando is a complete, semi-automatic rifle crafted to mirror the specifications of the select-fire IAR in current use by FBI HRT. Designed for individual ownership, this limited-edition firearm delivers the full-length ballistic performance and precision of the original HRT contract rifle, offering unparalleled capability for tactical enthusiasts and collectors. Chambered in 5.56x45mm NATO, the IAR6940 features a 16" heavy barrel, a monolithic upper receiver, and a suite of mil-spec components, ensuring reliability and versatility across a wide range of scenarios including home defense, patrol use, and precision range work.

Engineered for sustained firepower and enhanced accuracy at extended ranges, the IAR6940 combines the full ballistic potential of the 5.56mm round with the proven ergonomics of the Commando platform. Its proprietary heavy barrel and heat guard sink system provide 30–40% improved heat dissipation compared to standard M4 platforms, making it ideal for sustained fire or suppressed use. Whether you're engaging targets at distance or pushing performance on the range, this rifle delivers the elite capability demanded by the FBI HRT — now accessible in a civilian-legal, non-NFA semi-auto configuration.

Key Features

• Caliber: 5.56x45mm NATO (.223 Remington compatible)
• Barrel: 16" heavy profile, chrome-lined, 1:7" right-hand twist, 6 grooves, A2 flash hider
• Upper Receiver: Monolithic design with full-length MIL-STD-1913 Picatinny rail for optics and accessories
• Lower Receiver: Colt mil-spec forged aluminum, marked "M4 Commando"
• Sights: Gas-block mounted fixed front sight post; Matech folding rear backup iron sight (BUIS)
• Handguard: Heat guard sink system for enhanced cooling and grip
• Gas System: Carbine-length, direct impingement, gas port optimized for suppressed/unsuppressed use
• Charging Handle: Colt-branded ambidextrous charging handle
• Stock: B5 Bravo
• Finish: Black anodized, mil-spec
• Operation: Semi-automatic, closed bolt, air-cooled
• Weight: Approximately 7.8 lbs (unloaded, with stock)
• Length: 32.5" collapsed, 35.75" extended
• Magazine: Compatible with AR-15 STANAG, PMAG, and drum magazines (30-round PMAG included)
• Additional: M4 feed ramps, large heat sink on lower handguard, mil-spec nitrided bolt carrier group

Performance and Design

Developed as a contract overrun for the FBI HRT, the Colt IAR6940 is built to maximize performance across both close-quarters and mid-range engagements. Its 16" heavy barrel — thicker than a standard SOCOM profile — enhances muzzle velocity, heat dissipation, and long-term durability, maintaining accuracy through prolonged high-volume fire. The KAC heat guard system reduces barrel heat by 30–40% compared to standard M4 platforms, ensuring consistent performance whether running suppressed or unsuppressed. The gas port is optimized for 50/50 suppressed/unsuppressed use, delivering smooth, reliable cycling across a broad range of ammunition.

The monolithic upper receiver eliminates rail shift, providing a rock-solid platform for optics, lasers, or night vision devices. Crisp, white laser-etched "T" markings ensure precise accessory placement, while the integrated gas block with folding front sight maintains full compatibility with modern optics configurations. The mil-spec forged lower receiver, paired with a B5 Bravo stock, offers rugged durability and shooter-adjustable fit for any operator. The IAR6940 accommodates a wide range of 5.56mm ammunition, including NATO M855/SS109, U.S. M193, and the longer-range Mk262 Mod1 77-grain rounds preferred by SOCOM — delivering a non-NFA option that sacrifices nothing in performance.