CMMG Receiver End Plate Mk4

The CMMG Receiver End Plate Mk4 is a precision-engineered component designed for modern sporting rifles and tactical platforms that demand reliability under demanding conditions. This receiver end plate serves as a critical structural interface where the buffer tube connects to the receiver, providing a secure mounting point for stock assemblies and recoil management systems. Whether you're building a duty rifle, competition carbine, or personal defense platform, this receiver end plate is essential hardware that ensures proper alignment and retention.

The Mk4 design incorporates CMMG's proven engineering standards, delivering a compact footprint with minimal profile—ideal for tight-tolerance receiver geometry. At just 0.05 pounds, the end plate introduces negligible weight while maintaining the structural integrity required for buffer tube retention and recoil spring positioning. Its durable construction is designed to withstand the rigors of regular use, ensuring zero creep or play at the receiver interface over thousands of rounds.

Armorers, gunsmiths, and shooters building or maintaining AR-platform rifles will appreciate the CMMG Receiver End Plate Mk4 as a drop-in replacement or OEM component. Installation requires basic hand tools and takes just minutes during receiver assembly or upper-lower separation. This plate is compatible with any AR-15 or modern sporting rifle, making it a versatile choice for various applications.