We all shoot SBE2"s. We run 3-4 cases a duck season thru them. Flawless. I've tried all the gas guns, don't have time to clean a gun every two boxes of shells. We start in duck season, then follow the geese into early March. Crawl ditches, lay in layouts, gun stays dirty, use as boat paddle. Mine will cycle anything I shoot in it. The blueing is worn completely off my receiver. They cost more, but the design is simply the best. As long as they make em, that's what I'm shooting.