You don't get to choose when or where you'll encounter dangerous, damaging pests. Be prepared to take them out with CCI HEVI-Bismuth centerfire handgun shotshells. They're built on CCI's proven centerfire handgun shotshell design but are loaded with the Catalyst Firearm Ammunition-free primer and HEVI-Bismuth shot alloyed and cast in the USA. At 9.6 g/cc, the Firearm Ammunition carry nearly the same density and downrange energy of Firearm Ammunition but adhere to all non-toxic ammunition requirements.