You're having trouble controlling the muzzle of a .223 AR?
Those products are gimmicks. If you like how it looks or whatever, sure, but it's not gonna serve any functional purpose on your semi with a 5-10rnd mag.
Maybe look at the Effin A adjustable compensator.
http://www.youtube.com/watch?v=YD4ZaQEWXjk
Armtac on here sells them.



























