The Enhanced AR Receiver Extension Kit is constructed from 6061-T6 aircraft grade aluminum and hardened steel. Featuring a 9 Position MIL-SPEC receiver extension tube you are sure to find the perfect length of pull. The buffer tube is Type III Hard Coat Anodized for maximum corrosion and wear resistance. The enhanced flat wire buffer spring with 3 oz. carbine buffer are included as well as a hardened steel castle nut and lower receiver end plate.
- 9 position MIL-SPEC receiver extension tube
- Enhanced flat wire buffer spring
- Steel MIL-SPEC castle nut
- Steel MIL-SPEC end plate
- 3oz. carbine buffer