Hex-2™ Buffer Tube (Hex-2)

Hex-2™ Buffer Tube (Hex-2)

*Please select desired color before adding product to cart*

Black/ Red/ Grey / Blue

***If you are interested in a different color buffer tube Complete Assembly, add the products separately to your cart to receive the same Complete Assembly special price. Please add a Hex-2 Tube (your choice of color) to your cart along with a Standard Carbine Buffer and a Pistol/Carbine Buffer Spring.   Product links below:


Standard Carbine Buffer

Pistol/Carbine Buffer Spring




Product Description:

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.



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


In stock
Item Price: $59.95

Code: Hex-2

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 Buffer Tube Foam Pad.

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

Hard-anodized Mil-Spec type III black finish
Hex-2 CNC-machined Hexagonal aluminum Pistol buffer tube
Hex-2 CNC-machined Hexagonal aluminum Pistol buffer tube


perfectly designed to fit the SB Tactical Stabilizing Braces.