Leveraging their proprietary POWERBOLT technology found on the CMMG MUTANT, CMMG is now offering a rifle chambered in 458 SOCOM. The CMMG MkW ANVIL, is an Ar-15 patterned rifle that features an adjustable gas system, and a mid sized receiver that falls in between the Ar-15 and the Ar-10 in regards to size. The POWERBOLT was initially used on the 7.62 x 39 CMMG MUTANT, and was  designed to accommodate the 7.62 x 39 cartridge. In the past companies would take a standard Ar-15 bolt and machine the bolt face to accept the 7.62 x 39 round. This process would leave very little metal on the bolt face, and the lugs would prematurely crack within several thousand rounds. A typical bolt should last around 10,000 rounds. The CMMG MkW ANVIL feeds from standard Ar-15 magazines, and comes in several configurations and price points.



    The 7.62 x39 round compared to the massive .458 SOCOM.


    CMMG MkW ANVIL chambered in .458 SOCOM. The MkW feeds from a standard Ar-15 magazine.


    The CMMG MkW ANVIL is also available as a Short Barrelled Rifle.


    Key Specs of the basic MkW ANVIL include;

    BARREL: 16.1” 1:14 Twist, Medium Taper 416SS SBN Barrel
    MUZZLE: CMMG SV Brake, Threaded 5/8 – 32
    FURNITURE: A2 Pistol Grip, M4 carbine stock with 6-pos mil-spec receiver extension
    RECEIVERS: Billet 7075-T6 AL, Mid-Size MUTANT Platform
    TRIGGER: CMMG Single Stage Mil-Spec style trigger
    WEIGHT: 7.5 lbs (UNLOADED)
    GAS PORT LOCATION: Carbine with SLR adjustable gas block

    Please note other models include enhanced triggers as well as Magpul furniture.

    Thomas Gomez

    Thomas Gomez currently resides in the mountains of central New Mexico. He has an M.B.A, an Ar-15/M16/M4 armorer certification from Specialized Armament Warehouse as well as a Glock armorer certification. Aside from writing for The Firearm Blog he works as a Clinical Analyst for a large Hospital. He spends his free time farming, ranching, hiking, fly-fishing and hunting in the beautiful forests and prairies of New Mexico. He can be reached at [email protected]