Hex-2-C™ Pistol Buffer Tube Complete Assembly (Hex-2-C)

Hex-2-C™ Pistol Buffer Tube Complete Assembly (Hex-2-C)

The Phase 5 Hex-2-C™ is part of our newest AR type Pistol Buffer Tube line.

This tube has been specifically designed to utilize the Sig Sauer™ SB15 Pistol Stabilizing Brace. The Hex-2-C™ is a heavy duty USA certified 7075 T7 billet aluminum pistol 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 Sig Sauer™ the Phase 5 Hex-2-C™ was a special project that involved a number of firearms instructors, law enforcement professionals and AR Pistol enthusiasts alike. While asking questions along the way and updating the design based on the recommendations given by all; the Hex-2-C™ 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.

In stock
Item Price: $79.95

Code: Hex-2-C

7.4 inches
Hex-2 CNC-machined Hexagonal aluminum Pistol buffer tube


CNC-machined 7075 T7 certified US made billet aluminum Hexagonal Pistol buffer tube

Designed to fit our Pistol Buffer Tube Foam Pad.

Tube is also designed to fit Mil-Spec carbine buffer and spring.

Hard-anodized Mil-Spec type III black finish


perfectly designed to fit the SB15 Stabilizing Brace


Machined lower slot and anti-tilt technology built into every tube.






Phase 5™ Enhanced Buffer Spring and Carbine Buffer Included.