CMMG Receiver Extension Kit Carbine AR15

The CMMG Receiver Extension Kit Carbine AR15 is a precision buffer tube assembly designed for builders of the AR-15 carbine platform. This essential component allows for the mounting of a buttstock and provides the necessary interface between the lower receiver and stock, making it crucial for those assembling a functional carbine from stripped or partially completed lower receivers.

Engineered by CMMG Inc., a recognized manufacturer of quality AR platform components, this receiver extension kit weighs 0.63 lbs. It is compatible with standard AR-15 lower parts kits and various buttstock options, allowing builders to customize their platform according to specific mission requirements, whether for sport shooting, training, or defensive applications.

Home builders, gunsmiths, and operators will find this kit a straightforward and reliable solution for assembling a complete lower group. Its design ensures compatibility with a wide range of aftermarket accessories and furniture available in the AR ecosystem, making it an ideal choice for those looking to build a carbine-length AR-15.