This CMMG Receiver Extension Kit provides the components needed to complete the buffer system on an AR-15 carbine lower. The kit is a 6-position, Mil‑Spec receiver extension setup and includes the buffer tube, carbine buffer and action spring, plus hardware to secure the receiver end plate. It is designed to accept standard mil‑spec diameter carbine stocks or braces.
Key Specifications
- The kit includes a 6-position receiver extension for adjustable length.
- The package contains a carbine buffer assembly.
- The kit ships with a carbine action spring.
- Included hardware features a castle nut and receiver end plate.
- The tube is constructed from aluminum with a matte black hard coat anodized finish.
- The tube is Mil‑Spec diameter and ready to accept mil‑spec stocks or braces.
- The kit is intended for the AR-15 carbine (M4 carbine) platform.
- The product type is a receiver extension kit for lower assembly completion.
- The kit includes the buffer tube necessary to assemble the buffer system.
- The finish shipped with the kit is black.
This kit streamlines the final steps of building or restoring an AR-15 lower by supplying a complete, Mil‑Spec carbine buffer system and necessary mounting hardware. It suits builders who want a straightforward, standards-compliant receiver extension solution that accepts common mil‑spec stocks and components.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
