Purchase the Anderson Mil-Spec Carbine Receiver Extension / Buffer Kit here!

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