At the range I go to they only sell sellier & ballot ammo . I'm shooting a 4" Ruger GP100 357 mag. Sometimes I feel some stuff hitting me in the face . Is the stuff hitting me because of the cheap anmmo or is it normal for that to happen with a revolver . Could it be a timing issue ? It's a gun I bought new and I've only shot about 200 rounds . I had the guy at the place where I bought the gun look at it and he thought the gun was ok . Could the timing be just slightly off ? Should I send the gun back to Ruger ?