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PRODUCT #60A10D7

Resolute 300 Rifle
Mk4, 6mm ARC

$1,649.95

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$1,649.95

CMMG is temporarily halting the sale of complete firearms, upper receiver groups, lower receiver groups, and Radial Delayed Blowback BCG kits on our website in order to focus on outstanding orders. We apologize for the inconvenience and appreciate your patience as we traverse this extremely busy time. Sign up for notifications on your favorite products to get notified when they become available again or find a local dealer on our dealer page.

Resolute 300 Rifle, Mk4, 6mm ARC

If you want the best an AR has to offer, then the 300 Series is your choice. This AR is fitted with every desired feature including a choice of 10 Premier Cerakote colors, laser engraved model name on the lower receiver, updated ambidextrous controls and sling points along with a Geissele Automatics SSA 2-stage trigger, Magpul grip, CMMG's revolutionary RIPSTOCK, and a CMMG SV muzzle brake. These are just a few of the possible upgrades on this series. Chambered in 6mm ARC, this AR is ready for the range.

Mk4 platform lower receivers accept standard AR15-style magazines, and are the most versatile of the CMMG platforms, especially with the .22 LR, 5.7x28mm, and 9mm conversion magazines when paired with a matching upper receiver group.

CMMG’s RESOLUTE rifle and carbine lineup is engineered with purpose for those who refuse to compromise on quality. Each RESOLUTE rifle is designed for balance, accuracy and maneuverability. Available in three tiers —RESOLUTE 100, RESOLUTE 200 and RESOLUTE 300 — that cater to your intended needs and customization. Whether you’re defending your family or looking to bring out your best at the range, the RESOLUTE keeps going when you need it most.

All CMMG products come with our Lifetime Quality Guarantee.

Technical Specifications

Platform Mk4
Caliber 6mm ARC
Barrel Length 16.1
Barrel Twist 01:07.5
Barrel Contour MT
Barrel Material 416SS, SBN
Barrel Twist 01:07.5
Muzzle Device CMMG SV Brake
Muzzle Thread 5/8 X 24
Gas Port Location Mid
Gas Block SLR Adjustable .750"
Upper Receiver 7075-T6 AL M4 Upper
Lower Receiver AR15
Hand Guard CMMG RML15 M-LOK
Finish Cerakote Receivers, Handguard, RipStock
Charging Handle CMMG ZEROED Ambi Charging Handle AR15
Pistol Grip Magpul MOE
Receiver Extension 6 Postion Enhanced Receiver Extension & Ambi Sling Plate
Stock / Brace CMMG RipStock
Trigger Type Geissele Automatics SSA 2-Stage
Trigger Guard Magpul MOE
Safety Selector CMMG Ambi
Magazine 10rd
Weight 6.4

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