CMMG 55CA9D7 Receiver Extension MK4 Black Steel AR Platform

Description Optimize your firearm with the CMMG 55CA9D7 Receiver Extension. Specifically designed for the MK4, this receiver extension is an ideal addition for enhancing your firearm’s performance. Material and Design Crafted from durable black steel, this receiver extension promises long-lasting performance. Its robust construction can withstand heavy usage, ensuring optimal operation over time. Compatibility The CMMG 55CA9D7 Receiver Extension is tailored to the MK4 platform. Its perfect fit and design allow for a seamless integration with your existing setup.