Phase 5 HEX-2 AR15 Pistol Buffer Tube Assembly

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  • Phase 5 HEX-2 AR15 Pistol Buffer Tube Assembly
  • Phase 5 HEX-2 AR15 Pistol Buffer Tube Assembly

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Frequently bought together:


The Phase 5 Hex2-C™ is hexagonal shaped AR type Buffer Tube complete assembly. 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.

The Hex-2-C™ complete package includes a castle nut, end plate, Carbine Buffer, Phase 5 Enhanced Buffer Spring and foam pad.


  • Overall Length: 7.4 inches
  • Product Weight: 5oz
  • Assembled Weight: 11.5oz
  • Made in the USA

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to (California law requires this warning to be given to customers in the State of California.)

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Additional Information

Product ID:
Buffer Tubes
Made In USA
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1 Review

  • 5
    Top notch machining and product.

    Posted by Casey D. on 24th Jan 2018

    Top notch machining and product.

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