This Anderson MIL-SPEC Stock Hardware (Receiver Extension & Buffer) Kit includes an extruded 7075-T6 aluminum receiver extension (buffer tube) with a durable hardcoat anodized finish. It features an extended bottom lip reducing carrier tilt, the buffer tube is compatible with MIL-SPEC AR-15 stocks.
This kit includes:
- 6-position MIL-SPEC tube
- Carbine recoil spring
- Carbine recoil buffer
- End plate
- Castle nut