I shoot my S&W models 19-2,19-4,66-5,586,686-1,10-8,15-3,60-10, and 36 all the time.A trip to the range, usually involves 250 to 300 rounds each , through whatever guns I'm shooting that day. I clean them after shooting ,so that I don't have to do it when I get home.I have never had a stoppage...