Receiver Extension Kit
CMMG 6-Position adjustable Mil-Spec Receiver Extension (Buffer Tube) kit includes everything needed to complete your AR’s buffer system. Just add the mil-spec diameter carbine stock or brace of your choice. Made from aluminum with a matte black hard coat anodized finish.
Description:
- Carbine Buffer Tube
- Receiver End Plate
- Castle Nut
- Action Spring
- Buffer
