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CMMG LOWER GROUP RESOLUTE Mk17 Mil-Spec Trigger for 9mm Radial Delayed Blowback uppers. The Mk17 lower uses Sig Sauer P320/M17/M18 magazines and is designed as a base to build your next 9mm pistol caliber carbine. Available in Cerakote finishes. Includes CMMG parts and accessories like RipStock, ZEROED Pistol Grip, Ambi Safety, and Bolt Catch. Mk17 lowers are designed for use with CMMG 9mm Radial Delayed Blowback uppers only.
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