Q&A for Luth-AR 9mm Carbine Buffer Assembly

Luth-AR 9mm Carbine Buffer Assembly - Commercial

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Chris, member, from MA, United States, asked on May 10, 2022

I have not been able to mount a stock on this tube. The tube is too large for the several stocks I have tried. Does this tube require a specific brace

Manufacturer Answer

Answered by Luth-AR, Manufacturer from MN, United States, on June 08, 2022

The commercial size buffer tubes require commercial diameter stocks as they are larger in diameter then mil-spec diameter tubes.

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Jeff, guest, from PA, United States, asked on February 04, 2022

What is the buffer weight?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on April 04, 2022

The Luth-AR 9mm Carbine Buffer Assembly includes a 5.45 oz buffer as well as a carbine buffer spring, castle nut, latch plate, and commercial carbine tube.

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Richard, guest, from TN, United States, asked on May 04, 2021

which of the 2 buffer assets would you recommend for a 5" AR 9MM upper receiver or would either be ok?

Expert Answer

Answered by Brandon B, Gear Expert, from IL, United States, on October 06, 2021

The 9mm buffer is the one we recommend with either buffer tube commercial or mil-spec diameter tube.

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John Smith, member, from FL, United States, asked on April 08, 2021

Will this fit an sba4 pistol stock

Expert Answer

Answered by Brandon B, Gear Expert, from IL, United States, on October 06, 2021

SB tactical makes their braces to fit mil-spec diameter buffer tubes.

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Sunz, guest, from MN, United States, asked on September 14, 2020

Will an SBA3 or SBA4 brace fit on this?

Expert Answer

Answered by Brandon B, Gear Expert, from IL, United States, on October 06, 2021

The SBA3 and 4 brace do not fit on commercial buffer tubes so they would not fit this tube diameter being commercial size.

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Deshaun, guest, from GA, United States, asked on April 16, 2020

Will this fit PSA 8in pistol

Expert Answer

Answered by Brandon B, Gear Expert, from IL, United States, on October 06, 2021

Yes this would fit a standard mil-spec style lower it is only dependent on if PSA is proprietary with their parts.

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Vic Suarez, member, from TX, United States, asked on October 31, 2019

Will a shockwave blade fit on this?

Expert Answer

Answered by Jonathan D., Gear Expert, from IL, United States, on December 20, 2019

No, it will not.

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Q&A for Luth-AR 9mm Carbine Buffer Assembly - Commercial — 7 Questions & 7 Answers

I have not been able to mount a stock on this tube. The tube is too large for the several stocks I have tried. Does this tube require a specific brace

What is the buffer weight?

which of the 2 buffer assets would you recommend for a 5" AR 9MM upper receiver or would either be ok?

Will this fit an sba4 pistol stock

Will an SBA3 or SBA4 brace fit on this?

Will this fit PSA 8in pistol

Will a shockwave blade fit on this?