CMMG 55CA6C7 Receiver Extension Kit Carbine – AR-15

The CMMG Receiver Extension Kit provides a complete buffer system solution for AR-15 carbine builds. This kit delivers reliable cycling and recoil management for standard direct impingement AR-15 platforms, offering builders a quality factory replacement or upgrade component.

Designed for carbine-length systems, this kit includes all necessary components for proper buffer tube installation and function. CMMG's mil-spec construction ensures compatibility with standard AR-15 lower receivers and carbine stocks. Installation requires basic armorer tools and understanding of AR-15 assembly.

• Type: Receiver Extension Kit (Buffer Tube Assembly)
• Compatible Firearms: AR-15 Carbine
• Length: Carbine
• Specification: Mil-Spec
• Installation: Requires Armorer Tools