Phase 5 Buffer Tube HEX-2


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The Phase 5 Hex-2™ is hexagonal shaped AR type Buffer Tube. This tube has been specifically designed to utilize the SB Tactical™ Pistol Stabilizing Braces. The Hex-2™ is a heavy-duty USA certified 7075 T7 billet aluminum buffer tube with the versatility to use the Phase 5 nitrile Foam Pad (included) or the SB Tactical Pistol Stabilizing brace (sold separately). Working closely with SB Tactical™, asking questions along the way and updating the design based on the recommendations given by all, the Phase 5 Hex-2™ Buffer Tube is a perfect component for any AR pistol build.


  • Hex-2 Buffer Tube
  • Castle Nut
  • End Plate
  • Foam Pad