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This Receiver Extension is for your MK4.Check out the entire range of products from CMMG.Material:SteelGun Style:AR-PlatformModel:Receiver ExtensionType:Buffer TubeFirearm Fit:MK4
The CMMG AR-15 Rifle Length A1 Receiver Extension is the perfect must have accessory for your next AR-15 rifle build. The CMMG tube is constructed from high quality aluminum and features a matte...
RipBrace is a revolutionary, retractable pistol brace engineered for lightning-fast deployment to your personal setting. With CMMG's Fastback Technology, you simply pull straight back to extend the...
RipBrace is a revolutionary, retractable pistol brace engineered for lightning-fast deployment to your personal setting. With CMMG's Fastback Technology, you simply pull straight back to extend the...
The CMMG A1 Receiver Extension and Stock kit contains a rifle buffer assembly, rifle action spring and an A1 rifle length butt stock assembly. Combine this kit with your choice of lower parts kit to complete your lower group.
Attention Account Holders:
We’ve just launched our brand-new website! For security reasons, all existing customers will need to reset
their
passwords before logging in. Please click “Forgot
Password” on the login page to set a new one.