Product Summary
The CMMG Mk17 AR-15 Stripped Lower Receiver in Armor Black is a high-performance component designed specifically for the PCC (Pistol Caliber Carbine) market. This lower receiver is engineered to accept Sig Sauer M17/P320 magazines, providing versatile ammunition options for the shooter. It features CMMG’s signature Last Round Bolt Hold Open functionality for improved reliability during operation. To ensure optimal performance, this lower is designed to work exclusively with the CMMG Radial Delayed Blowback upper or a CMMG Barrel and Bolt combo. It comes backed by a Lifetime Quality Guarantee, making it a durable choice for building a custom firearm.
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