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My buddy ordered a JT distributing 20" standard heavy barrel. I came but without any docs or anything and he doesn't know what the thread pattern is so he can find a muzzle break. Anyone know?
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I'd contact JT. -
On their website (http://jtdistributing.net/store/kits_6_5_grendel.html), it says "Flash Hider: A-2 Phantom (9/16x24 tpi)" for all of their non-bull barrels. You could verify with a caliper (or even an accurate ruler).Comment
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