While the two top brakes that you mentioned above do work nicley the bottom 2 flash suppressor's do not work well. I have owned them all. The only one that did work great was the NAV flash hidder from Dlask arms then in a distant second place I would place the XB3 and then the FN FAL style flash hidder from that Czech sight that we are not allowed to post.if you are after muzzle climb, then get a gill style brake. super loud, but very effective to keep on target.
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the others are more for flash reduction.
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Bolton - Where can i find a CZ military brake?
I was wondering exactly the same as the OP about brakes. Just picked up Czechoslovakia's greatest contribution to the world of rifles myself, and now itching to get out with it... Perhaps Saturday morning, wife permitting![]()

I see lots of brakes for the AK47. Is the muzzle thread on a AK the same as on my CZ858?



























