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CMMG Complete Upper, Mk4, A4, 22LR
584.9600

CMMG Complete Upper, Mk4, A4, 22LR

Special Price $584.96 Regular Price $649.95

The classic AR15 Upper Group configuration, based on the M16A4, is available in both 5.56x45mm NATO and 22LR. The Mk4 A4 Upper Group’s defining characteristic is its 20″ government profile barrel. The 5.56mm barrel is chrome-lined and built to the military’s stringent specifications, while the 22LR features a premium 4140 CrMo steel barrel with a nitride finish for years of accurate shooting and reliable performance.

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Availability:In stock
Description
Specs:
  • Caliber: 22LR
  • Barrel: 20”, 1:16 twist, government profile, 4140 CrMo, SBN
  • Muzzle: A2 compensator, threaded 1/2-28
  • Hand Guard: M4 type 2 piece hand guards
  • Receivers: Forged 7075-T6 AL M4 type upper

Upper Group consists of:

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