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American-made quality, modular versatility, and .308 firepower!

CMMG Mk3 3GR AR-10, Semi-Automatic, .308 Winchester, 18" Heavy Barrel, 20 Rounds, 20 Round Capacity

Item # WX2-667904

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Details & Specs
Model: 38ACC84
UPC: 815835015798

In the field or at the range, the Mk3 3GR delivers big, with heavy-barrel accuracy, miles of rail space, and .308 punch. It comes equipped with a Geissele SSA 2-Stage trigger that delivers a consistent 4-lb. pull, plus Magpul® MOE pistol grip, trigger guard and stock installed. Up top, a full-length rail offers plenty of real-estate, and extra KeyMod space makes it even more versatile.

CMMG® Rifles are designed and made in the USA to the highest level of precision accuracy and exacting standards - and you'll feel it every time you pull the trigger.

  • Each Rifle and every component is made in the USA
  • CMMG guarantees its products against defects in material or workmanship for the life of the product
  • 18" stainless heavy barrel for enhanced accuracy
  • Geissele SSA 2-stage trigger
  • Ported brake keeps muzzle lift down
  • Full-length Picatinny rail plus KeyMod space for accessories

Order yours today!

Key Specifications
  • Item Number: 667904
  • Caliber: .308 Winchester
  • Action: Semi-automatic
  • Capacity: 20
  • Barrel length: 18"
  • Barrel style: Heavy contour, 1:10" twist, 5/8-24 threaded
  • Barrel material: 416 stainless steel
  • Upper receiver: Billet 6061-T6
  • Sights (front / rear): Optics-ready
  • Fire control: Geissele SSA 2-stage
  • Handguard: CMMG RKM15
  • Flash hider: CMMG SV
  • Overall length: 40" (with stock collapsed)
  • Overall weight: 9.4 lbs.
  • MFG Number: 38ACC84
  • UPC: 815835015798
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