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Hex-2™ Buffer Tube


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 SB15 Pistol Stabilizing brace (sold separately).

Working closely with SB Tactical™ the Phase 5 Hex-2™ Buffer Tube is a perfect match.  While asking questions along the way and updating the design based on the recommendations given by all; the Hex-2™ has become the perfect component for any AR pistol build.



  • Includes: Hex-2 Buffer Tube, Castle Nut, End Plate, Foam Pad
  • Overall Length: 7.4 inches
  • Designed to fit Buffer Tube Foam Pad: Tube is also designed to fit Mil-Spec carbine buffer and spring.
  • Perfectly deisgned to fit the SB Tactical Stabilizing braces

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