The UTG Mil-Spec Receiver Extension Tube Kit is made from 6061-T6 aluminum with rolled threads and a matte black hard coat anodized finish. Included is a 6 position extension tube, carbine buffer, buffer spring, receiver end plate, and a castle nut. Made in the USA.
- Material:
- Mil-Spec
- Rails:
- Black Hardcoat Anodized
- Finish:
- Aluminum
- Type:
- Buffer Assembly
- Firearm Type:
- Receiver Extension Kit
- FireArm:
- No
- Requires FFL:
- False
- Series Description:
- Mil-Spec