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Posted: 4/21/2016 5:14:42 PM EDT
I am replacing the Vortex flash hider that came on my Mega Maten with a AAC Flash hider. The Vortex did not have any sort of washer installed. When I screwed on the AAC it bottomed out on the muzzle before threading all the way on to the barrel. Looking into the barrel end of each device its clear the Vortex is deeper and has more threads than the AAC. Can I just add a 5/8" crushwasher when installing the AAC to give it something to tighten up against before the inside of the device bottoms on the muzzle?
You should use a peel washer.
If it continues to bottom out with one, use two.
Over tighting of a muzzle device can cause stress on the muzzle/crown. Witch will effect the life of the muzzle/crown & how accurate the rifle can be. I use both peel washer or Accu-washer. A crush washer may cause the muzzle device to tilt/misalignment, could lead to the projectile striking the muzzle device. Comps & brakes should be install with peel washers or Accu-Washers.
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