Colt IAR6940 M4 Commando 5.56 Rifle
- Manufactured By Colt
- Made in the USA
- 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 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
The Colt IAR6940 M4 Commando 5.56 rifle is a U.S.-made, semi-automatic rifle chambered in 5.56x45mm NATO/.223 Remington. It features a 16-inch heavy-profile, chrome-lined barrel with a 1:7 twist and A2 flash hider, along with a monolithic upper receiver featuring a full-length MIL-STD-1913 Picatinny rail. The rifle includes a Colt forged aluminum M4 Commando lower receiver, gas-block-mounted fixed front sight, Matech folding rear sight, and a heat-management handguard system. Other listed features include a carbine-length direct-impingement gas system, Colt charging handle, B5 Bravo stock, black mil-spec finish, M4 feed ramps, and a nitrided bolt carrier group. The listed weight is approximately 7.8 pounds unloaded, with an adjustable overall length of 32.5 to 35.75 inches, and the package includes a 30-round PMAG.
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