I got this to throw on a 300 BLK AR15 SBR and it works as expected. Has the full expansion chamber unlike the other US copies and correct hole spacing so it has the compensating effect of the bulgy one. It also fits my Bulgy AK74 just fine as well. I've had no issues in the few years I've used it.
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3 of 5 people found the following review helpful:
Great Brake
December 18, 2013
Reviewer:
Brian Smith from Omak, WA United States
Needed one more part for my Bulgarian 74 build. Ordered this and am not disappointed. Well made, fit perfect, arrived quickly and was inexpensive. Overall a great product and company. Very satisfied customer.
Really close match to a Bulgy brake 
