CCI .22 Short Noise Blank Ammo (100 count per box) have a medium loud report that makes them perfect for training with live birds. We recommend these for the started dog that has already been conditioned to gunfire. The CCI .22 Short Noise Blanks are smokeless, reliable and clean. Qualified for use in AKC Hunt Tests and Field Trials. These are able to be used in any firearm chambered for .22 Short, .22 Long or .22 Long Rifle.