If you want an effective muzzle brake, check out E. Arthur Brown www.eabco.com
They make an OPS Tactical brake that reduces recoil by up to 70%. I had it put on a 30-06 AI. I went through 40 rounds and stopped shooting only because I ran out of ammo. It kicked about the same as my .223 Contender carbine!
these guys do great work,,,,,,,,,,,,,,