Search results
- Dictionarysmall-bore
adjective
- 1. denoting a firearm with a narrow bore, in international and Olympic shooting generally .22 inch calibre (5.6 millimetre bore).
Powered by Oxford Dictionaries
adjective
Powered by Oxford Dictionaries
Shooting sports fired with small-bore calibers, usually .22 LR caliber
Small-bore refers to calibers with a diameter of .32 inches or smaller. It may also refer to small-bore rifle competition. The medium-bore refers to calibers with a diameter between .33 inches up to .39 inches and large-bore refers to calibers with a diameter of .40 inches or larger. Miniature bore refers historically to calibers of .22 inches or smaller. Wikipedia