Guntec USA AR-15 Buffer Tube Kit for SIG Sauer SB15 Stabilizing Brace - Black

Manufactured by Guntec USA
Manufactured by Guntec USA
1 Review

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NOTE: Limit 1 per household. Quantities exceeding 1 will not allow checkout.



Guntec USA has been designing, manufacturing, and distributing tactical weapon accessories since 1989. Their goal is to supply excellent quality, at an economical value to professionals and enthusiasts alike.

The Guntec AR-15 buffer tube kit is designed for use with the SIG Sauer SB15 stabilizing brace. The durable aluminum receiver extension is notched to prevent the SIG brace from sliding too far forward. In addition to the receiver extension, this kit includes an ambi one point sling end plate, upgraded chrome spring, castle nut, and 3 ounce buffer.

  • Aluminum construction
  • Complete buffer tube kit
  • Designed for the SIG Sauer SB15 stabilizing brace
  • Ambidextrous one-point sling end plate
  • Castle nut
  • 3 oz carbine buffer
  • Upgraded chrome spring
  • Made in the U.S.A.
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BrandGuntec USA
FitmentPistol Extension - 1.0 in - 1.2 in

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see

Ratings & Reviews

1 review

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Looks good so far

by -

i just received this kit in the mail and while i haven't been able to use it yet but everything seems well made and the shipping was very fast as always. ordered Friday and it arrived Monday morning.