Small-bore refers to
caliber
In guns, particularly firearms, but not #As a measurement of length, artillery, where a different definition may apply, caliber (or calibre; sometimes abbreviated as "cal") is the specified nominal internal diameter of the gun barrel Gauge ( ...
s with a diameter of or smaller. It may also refer to small-bore rifle competition. The medium-bore refers to calibers with a diameter between up to and large-bore refers to calibers with a diameter of or larger.
Miniature bore refers historically to calibers of or smaller.
There is much variance in the use of the term small-bore, which over the years has changed considerably with anything under caliber considered small-bore prior to the mid-19th century.
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Small-bore competition
Small-bore competition often refers to shooting competitions conducted with
.22 Rimfire target rifles.
[http://compete.nra.org/documents/pdf/compete/RuleBooks/SBR/sbr-book.pdf Small-bore rifle NRA rule book]
See also
*
List of rifle cartridges
List of rifle cartridges, by primer type, Caliber, calibre and name.
File:Cartridge Sample 2.jpg, 350px, From left to right: 1 .17 Hornady Mach 2, 2 .17 Hornady Magnum Rimfire, 3 .22 Long Rifle, 4 .22 Winchester Magnum Rimfire, 5 .17/23 SMc, 6 5mm ...
*
Table of handgun and rifle cartridges
This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name. Data values are the highest found for the cartridge, and might not occur in the same load (e.g. the highest muzzle energy might not be in the same ...
References
* Historic small-bore Enfield, BSA and other Service, Training and Target rifles reference pages, with league competitions for such rifle
External links
Small-bore rifle NRA rule book
{{DEFAULTSORT:Small-bore
Pistol and rifle cartridges