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GET SOME. Official NFA Pic thread.

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I think it sounds pretty good, but I don't have a lot of suppressor experience to compare it to. Definitely had to put a #17 lockipiece in it. Tamed it right back down
 
http://www.hkparts.net/shop/pc/Locking-Piece-17-36-Degree-US-p2520.htm
When adding a suppressor it adds back pressure causing the bolt to reciprocate much faster. It didn't "kick" harder but it did make the cycling of the gun much more violent and abrupt. That locking piece with its steeper shoulders locks the rollers in a fraction of a second longer allowing pressure to drop and smoothing out the cycling of the bolt.
 
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