M4cqb Replacement Barrel Assembly 10.3in
Average: 0
Rating Count: 0
You Rated: Not rated

Please log in to rate.

specifications

Manufacturer:

Colt

Platform:

AR-15

Caliber:

5.56 mm NATO

Gas System Length:

Carbine

Barrel Length:

10.3"

twist rate:

1:7

    M4cqb Replacement Barrel Assembly 10.3in

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    5.56 mm NATO Colt None None None $299.99 Brownells Add

    Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

    Whether you've got an AR-style pistol or a short-barreled rifle that needs a new barrel or a brand-new build that demands a high-quality barrel, Colt's M4CQB OEM barrel is available as a dedicated add-on or replacement component straight from the same line that produces barrels for Colt's factory guns. Each Colt AR-15 M4CQB Barrel features six-groove rifling with a 1:7-inch rate of twist. The barrels include M4-style feed ramps and have a chrome lining that prevents corrosion. Each barrel is set up for a carbine-length gas system and features 1/2""-28 TPI threading at the muzzle. Colt's M4CQB Barrels are available in 10.3-inch lengths and can be had as Mfg: Colt

    Comments