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The CMMG Resolute 300 Mk17 represents the pinnacle of AR-platform engineering, chambered in 9mm with a 16.1-inch barrel and 21-round capacity. Following the adoption of the Sig Sauer P320 as the M17 & M18 sidearms for the US military, CMMG created the Mk17 platform to accept Sig P320/M17-style 9mm magazines, providing seamless compatibility with one of the most popular handguns on the market. This rifle features a Premier Sniper Gray Cerakote finish, laser engraved model name on the lower receiver, and CMMG's revolutionary RIPSTOCK adjustable stock.
The Resolute 300 utilizes CMMG's innovative Radial Delayed Blowback operating system, originally developed for the .45 ACP platform and adapted across their pistol caliber lineup to create a softer recoil impulse and reduced bolt weight compared to traditional straight blowback systems. The rifle is equipped with CMMG ZEROED components including an ambidextrous charging handle, 60/90 degree ambidextrous safety selector, drop-in single-stage trigger, Magpul grip, and CMMG SV muzzle brake. The EML15 handguard features M-LOK attachment slots at the 3, 6, 9, and 12 o'clock positions for versatile accessory mounting while reducing overall weight.
Designed for balance, accuracy, and maneuverability, the RESOLUTE 300 Mk17 delivers when you need it most whether defending your family or bringing out your best at the range. With ambidextrous controls, premium trigger, and multiple sling points, this rifle is engineered with purpose for those who refuse to compromise on quality. The Mk17 platform features a unique magazine release designed specifically for Sig P320 magazines. Includes one 21-round Sig P320 magazine and is backed by CMMG's Lifetime Quality Guarantee.
DISCLAIMER: Firearms/receivers are subject to state-specific shipping restrictions and must be transferred through a valid FFL dealer. Receivers cannot be shipped to CA, CO, CT, DE, MD, MA, NJ, NY. Please visit our shipping restrictions page to review all applicable restrictions for your state. Subject to change.
