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Q&A for SB Tactical SBA4 Stabilizing Brace for Mil-Spec Carbine Extension Platforms — 67 Questions & 67 Answers

Name SB Tactical SBA4 Stabilizing Brace for Mil-Spec Carbine Extension Platforms (4.7)
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Q
Dave Fizzano, member, from PA, United States, asked on September 23, 2019

Could this be used for a AR Pistol set up? Or is this just for rifles/carbines?

Expert Answer
A
Answered by Armando R., Gear Expert, from IL, United States, on October 10, 2019

Yes, this brace is meant specifically for AR pistols and comes with the buffer tube for it.

24 of 33 found the following answer helpful.
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Q
Jim, member, from CA, United States, asked on February 22, 2019

Does this include the 3 oz buffer, spring, endplate, carbine extension, castle nut and brace?

Expert Answer
A
Answered by Armando R., Gear Expert, from IL, United States, on March 05, 2019

The SBA4 kit comes with the receiver extension, brace and adjustable nylon strap.

21 of 69 found the following answer helpful.
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Q
DMGZ71, member, from TX, United States, asked on June 03, 2021

can I replace an SB3 with this, without removing the buffer tube? Will this slide onto the existing SB3 buffer tube somehow?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on September 02, 2021

Yes, the SBA4 uses the same buffer tube as the SBA3.

1 of 2 found the following answer helpful.
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Q
Boog, member, from FL, United States, asked on April 11, 2021

My new SB4 Stabilizing Brace does not have the buffer tube extended on it. Does it pull out after installing it?

Expert Answer
A
Answered by Ben, Gear Expert, from UT, United States, on April 20, 2021

Please email us at techsales@opticsplanet.com so we can further answer your question.

0 of 1 found the following answer helpful.
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Q
KG, member, from VA, United States, asked on April 06, 2021

does this brace make that much of a difference than a stock on an SBR? or is this (I hate to say this) "just as good" ?

Expert Answer
A
Answered by Ben, Gear Expert, from UT, United States, on April 20, 2021

A stock and a brace both have their pros and cons, but the brace will provide a stable platform when used correctly.

1 of 2 found the following answer helpful.
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Q
CEZ, member, from CO, United States, asked on March 23, 2021

What buffer & spring will work best on this with on a carbine gas length

Expert Answer
A
Answered by Ben, Gear Expert, from UT, United States, on April 02, 2021

That will depend on your barrel length, I prefer the Geissele Super 42 buffer system, anything shorter than a 14.5, I would say use a H2 buffer and anything shorter than a 11.5, I would recommend the H3 version.

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Q
Christian, guest, from GA, United States, asked on March 16, 2021

Will this work on a AR10 pistol chambered in 308? could I just use my original spring?

Expert Answer
A
Answered by Ben, Gear Expert, from UT, United States, on April 02, 2021

Yes, it should work as long as your buffer tube is a Mil-Spec version.

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Q
Big Gent, member, from MI, United States, asked on March 14, 2021

Will the brace fit my current buffer tube?

Expert Answer
A
Answered by Ben, Gear Expert, from UT, United States, on April 02, 2021

As long as it is a standard Mil-spec buffer tube, it should be just fine.

1 of 2 found the following answer helpful.
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Q
Tcast67, member, from TX, United States, asked on March 08, 2021

I have a sig m400 pistol. Can I just slide this brace on the buffer tube that is already in the pistol ?

Expert Answer
A
Answered by Ben, Gear Expert, from UT, United States, on April 02, 2021

As long as it is a mil-spec buffer tube, it should adapt to it just fine.

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Q
Steve, member, from WV, United States, asked on February 19, 2021

does this not come with a buffer tube? every other pic shows it with one so I am confused...

Expert Answer
A
Answered by Armando R., Gear Expert, from IL, United States, on March 01, 2021

Yes, the buffer tube is included. These are the contents of this product listed by the manufacturer:

PRODUCT INCLUDES:
Brace
7075 mil-spec carbine receiver extension
Adjustable nylon strap

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