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    The Mk3 is the perfect 308 WIN Upper Group for the tree stand or target range.

    The Mk3 utilizes an 18″ 416 stainless steel heavy taper barrel, and CMMG’s RKM15 KeyMod hand guard. Each Upper Group is covered by CMMG’s lifetime quality guarantee.

    • Caliber: 308 WIN
    • Barrel: 18” stainless steel 1:10 twist heavy taper profile
    • Muzzle: A2 compensator, threaded 5/8-24
    • Hand Guard: CMMG RKM15
    • Receiver: Billet 6061-T6 AL LR308 type
    • Gas port location: Rifle

    Upper Group consists of:

    •      Upper Receiver Assembly (Upper Receiver, Ejection Port Cover)
    •      Barrel Sub-Assembly
    •      Hand Guard and Barrel Nut
    •      Charging Handle
    •      Bolt Carrier Group

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