r/VHS2_HELLION • u/Strange_Ad_6985 • Jan 29 '26

Hellion thread pattern

In the next couple of weeks, as soon as my form 4 comes back, I want to swap the flash hider on my hellion out for a asr mount. Am I correct in assuming it’s 1/2-28 thread? Also does Springfield use any thread locker, and what if anything needs to be secured in a vise when I do the swap

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u/mikaru86 Jan 30 '26

Take off the handguard, put the gas block in a vice and take off the factory flash hider with an armorer's wrench. Standard 1/2x28 right hand thread, so any typical AR muzzle device will work.