If you are in your house and someone is approaching you to attack you, the large caliber bullet will knock them down. (theverge.com)
Claude is now dead from a.38 caliber bullet in his chest. (religion-online.org)
Model numbers we changed, and features were modified (note the lack of a flash supressor on the TEC AB - 10, the shorter clip on the Match Target etc), the SSR -74-2 is based on the AK - 74 (same family as the AK - 47), but uses a different caliber bullet. (politics.stackexchange.com)