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Which model will work on my Daniel defense 18” 6.8 spc barrel with a 5/8 x 24 thread? — 5 Answers

by Vo Vo, from TX, United States Asked on November 17, 2020

Name SilencerCo ASR Muzzle Brake (4.9)
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A
Answered by Bethany Kopel, Gear Expert, from UT, United States, on December 11, 2020

Unfortunately, there is not a model that will work with the 6.8 caliber Daniel Defense barrel.

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Answered by DD68 bullets are 270 caliber, guest, from KY, United States, on December 13, 2020

Select the .270 caliber version for 5/8x24. The other so called expert answer that says no model available is wrong

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Answered by George, guest, from FL, United States, on May 28, 2022

These three answers are correct. You should be able to use the .270 5/8x24 one. Worse case use the .30 5/8x24. I doubt it will even make a difference in performance and most certainly will work.

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Answered by DD68 bullets are 270 caliber, guest, from KY, United States, on December 13, 2020

This should work, if it’s advertised for Caliber: .270 then it should fit .277 bullets which are also 6.8. Caliber 270
Threads per Inch: 5/8x24 Model ACA4752 for 6.5/.270 if this doesn’t work the they needs fix their description and not call it .270 which is used specifically for describing bullets that are .277

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Answered by Swamplife, member, from LA, United States, on July 25, 2021

The 270 caliber 5/8x24 thread is made for the 6.8spc and exactly what you need.

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Last updated 2025-11-12 UTC.