CMMG Mk4 Receiver End Plate Features The CMMG Receiver End Plate is a steel component designed to fit the rear of an AR-15 lower receiver providing the mounting interface where the buffer tube threads into the receiver. Its Black Nitride finish offers strong resistance to corrosion and wear helping the part hold up over years of use and repeated disassembly during maintenance or upgrades. As a direct-fit replacement for Mk4 pattern lowers this end plate allows builders to replace a damaged or worn original part without needing to source a complete new buffer tube kit. Steel construction gives the plate the strength needed to handle the stress placed on it during normal firing and handling. Manufactured in the USA this end plate meets the quality expectations builders have come to associate with CMMG s parts and accessories lineup. It is backed by CMMG s manufacturer limited lifetime warranty giving buyers confidence that the part will perform reliably over the long term. This end plate is a straightforward functional upgrade or replacement component for anyone building repairing or customizing an AR-15 pattern rifle. For builders who need a dependable receiver end plate that fits standard Mk4 AR-15 lowers the CMMG Receiver End Plate is a solid no-frills choice. CMMG Mk4 Receiver End Plate Specifications Manufacturer: CMMG Model: Mk4 Receiver End Plate Type: Firearm Accessory End Plate Compatible Hosts: AR-15 Material: Steel Finish: Black Nitride Country of Origin: USA Warranty: Manufacturer Limited Lifetime Available At: GrabAGun