I went to the range toenjoy in my .308 last week and after about 30 minutes three guys set up next to me. One of them pulled out a browining that had a muzzle break on it. I sat there and just waited until they got done. I knew it would take away my concentration just knowing that a pop was about to go off beside me. Each blast was like a punch in the gut. I of course had muffs on but still. I don't understand why people would put that on their rifle.