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Q&A for SIG SAUER SRD762-QD 1/2-28 TPI Flash Hider Mount — 9 Questions & 9 Answers

Name SIG SAUER SRD762-QD 1/2-28 TPI Flash Hider Mount (4.9)
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Q
jonathan, guest, from KS, United States, asked on May 26, 2018

Is this the one that will fit on a 5.56 but mount the 762 suppressor?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on March 12, 2019

Yes, this has the standard 1/2x28 thread pitch for .223/5.56 barrels, but will take the SRD762-QD .308/7.62 suppressor.

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Q
E, member, from TX, United States, asked on February 17, 2022

What is the thread and pitch for the outer threads that attach to the suppressor? Thanks.

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on March 04, 2022

Sig Sauer does not provide the specific thread sizing on the outside of the flash hider. It was designed to be used with the Sig Sauer SRD762 Suppressor. If you are looking for more information, I would recommend reaching out to Sig Sauer.

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Q
John Vega, member, from IA, United States, asked on February 05, 2022

Would this work for.300 blackout?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on March 04, 2022

Yes. The Sig Sauer QD Taper-Lok Flash Hider Mount is designed for 7.62 caliber rifles with a bullet diameter of 0.308" or less. This will include 300 Blackout, 5.56, 7.62x39 and more.

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A
Answered by Brandon B, Gear Expert, from IL, United States, on November 04, 2021

This item is rated for 7.62.

https://www.sigsauer.com/srd762-qd-suppressor-flash-hider-1-2-x-28-tpi.html

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Q
Panhead, guest, from CO, United States, asked on April 21, 2021

Does this come already put together or is it the 3 piece with crush ring. thanks

Expert Answer
A
Answered by Brandon B, Gear Expert, from IL, United States, on November 04, 2021

Mount is a three-piece assembly consisting of the rear mount unit semi-permanently attached to the gun’s muzzle, a crush washer and finally an interchangeable tip.

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Q
Matt, member, from MI, United States, asked on October 25, 2020

Does this come with a crush washer to time the forks on the muzzle brake?

Expert Answer
A
Answered by Brandon B, Gear Expert, from IL, United States, on November 04, 2021

Mount is a three-piece assembly consisting of the rear mount unit semi-permanently attached to the gun’s muzzle, a crush washer and finally an interchangeable tip.

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Q
Austin, guest, from CO, United States, asked on November 30, 2019

Will this flash hider attach to any of the other common type suppressor mounts?

A
Answered by shooter, guest, from CA, United States, on January 08, 2020

With a tac welder and some j b weld you can attach to about what ever you need shoot safe

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Q
Tony, guest, from TN, United States, asked on February 27, 2019

Does this allow the weapon to be fired without the suppressor attached?

A
Answered by McSkootzee, guest, from FL, United States, on April 19, 2019

Yes. This mount is designed to be the receiving end for Sigs SRD QD Silencer but it also would perfect as just flash hider or the mini micro break. The base is all that is needed to secure the QD Silencer other than that the Flash hider or the micro break r interchangeable. I own a SRD QD 762 Silencer and i have several of the mounts for all my .30 caliber barrels and Smaller diameter bullets. JUST MAKE SURE You are getting the correct thread pitch for barrel. My .300 black out rifles and.308 use the 5/8x24 thread pitch for my 762 Silencer but there is also the 1/2x28 thread pitch for my 5.56 barrels.

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Last updated 2025-11-12 UTC.