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I have a sig 7.62 ti qd, will the 1/2x 28 muzzle break in 556 fit or do I need an adapter and a 5/8x 24 break, Thanks — 1 Answer

by Stan, from GA, United States Asked on July 1, 2020

Name SIG SAUER QD Taper-Lok Muzzle Brake Mount For SRD556-QD 1/2-28 TPI SRD-556-12X28-B (5)
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Answered by Brandon, member, from UT, United States, on February 24, 2021

This is just the muzzle brake/suppressor QD mount. The thread pitch you want will depend on the caliber and thread pitch of the rifle you're putting the muzzle brake/QD mount on. If the caliber is 5.56/.223, it's most likely 1/2x28. If it's a 7.62/.308 caliber, it's likely a 5/8x24 thread pitch and would need a different muzzle device.

These muzzle brakes are intended for use in Sig Sauer SRD556-QD and the SRD556Ti-QD silencers. They will not fit inside the SRD762 or SRD338 series silencers.

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