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Questions & Answers
What is the overall length of this tube? Expert Answer

The overall length is 9.25"

by Armando R., Gear Expert, July 3, 2018
Customer Reviews
Most Recent Reviews
A Longer Brace Tube by BlackWulf, February 6, 2020
For those of us who have longer arms or those who want a long eye relief from their cheek well to their optics on the AR platform pistols this specific tube is exactly what meets the requirements. The tube itself is longer by about 1 to 1.5 inches an...
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Most Recent Reviews
I have since moved away from the pistol buffer tubes, but when I was using them on builds this one was very good. I really wanted to find the knurled spacer between the rear of lower and where the brace impacted, this was it. Very sturdy, clean loo...
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Most Recent Reviews
Another Pistol Buffer Tube by Becks, December 9, 2017
Very nicely finished, it's another buffer tube though. SO often if you have the time to wait you can get these in a very inexpensive manner various sales. During the off season tend to be over priced for what they are a needed necessity and I reall...
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Most Recent Reviews
awesome for sig gen 2 sb 15 by dd, Verified Owner, August 25, 2017
perfect for my gen 2 great fits great brace very tight no slip no need for spacers looks awesome well machined price point great..................................................................................................
Most Recent Reviews
Solid piece of equipment! by Jim03, February 10, 2017
Good pistol tube! Same length as the MI tubes but cost is a little less. Made in the USA, ceracoat version is holding up well to average use, had to use a piece of electrical tape to snug up the SB 15 brace but it was a non issue and recommended by...
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Read All 5 Reviews

Product Discontinued by Manufacturer

Guntec USA AR-15 Buffer Tube For Sig Sauer SB15 Stabilizing Brace has been discontinued by Guntec USA and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Lower Parts, AR15 Buffer Assemblies yourself to try and find the perfect replacement for you!

Product Info for Guntec USA AR-15 Buffer Tube For Sig Sauer SB15 Stabilizing Brace

Buffer Tube Specifically Designed For The Sig Sauer SB15 Stabilizing Brace T6 Aluminumimage

Package Contents:

  • Guntec USA AR-15 Buffer Tube For Sig Sauer SB15 Stabilizing Brace

Gun Barrels

113 / 13
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Gun Parts and Accessories

130 / 30
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Gunsmithing Tools & Accessories

116 / 16
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Gun Triggers

116 / 16
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Magazine and Accessories

121 / 21
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Gun Sights

119 / 19
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Gun Stocks

117 / 17
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Mounts, Rings and Accessories

119 / 19
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Related Products to Guntec USA AR-15 Buffer Tube For Sig Sauer SB15 Stabilizing Brace

Guntec USA AR-15 Buffer Tube For Sig Sauer SB15 Stabilizing Brace Unavailable & Discontinued Models

List of Unorderable Models

  • Guntec USA AR-15 Buffer Tube For Sig Sauer SB15 Stabilizing Brace, Black, GEN2-SB15TUBE , MPN: GEN2-SB15TUBE , Code: 2AH-BFA-BTSGSB-GEN2-SB15TUBE
  • Guntec USA AR-15 Buffer Tube For Sig Sauer SB15 Stabilizing Brace, Cerakote Flat Dark Earth, GEN2-SB15TUBE-FDE , MPN: GEN2-SB15TUBE-FDE , Code: 2AH-BFA-BTSGSB-GEN2-SB15TUBE-FDE
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Last updated 2026-08-04 UTC.