CMMG Mk17 9mm Armor Black Lower Receiver - Sig P320 Compatible

The CMMG Mk17 Lower Receiver Assembly in 9mm is built around a forged 7075 T6 aluminum lower body with an integrated trigger guard, finished in Cerakote in the Armor Black color. The Mk17 lower accepts Sig Sauer M17/P320 magazines, providing a dedicated foundation for building a 9mm AR-pattern pistol caliber carbine.

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