Small-bore

Small-bore refers to calibers with a diameter of .32 inches or smaller.[1] 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.[2] Miniature bore historically referred to calibers under .22. There is much variance in the use of the term small-bore which over the years has changed considerably with anything under .577 caliber considered small-bore prior to the mid-19th century.[3]

Small-bore competition

Small-bore competition often refers to shooting competitions conducted with .22 Rimfire target rifles.[4][5]

See also

References

  1. ↑ http://www.chuckhawks.com/column2_medium_bore.htm
  2. ↑ http://www.chuckhawks.com/intro_big_bore.htm
  3. ↑ http://www.rifleman.org.uk/index-31.html
  4. ↑ http://www.smallborerifle.com/whatissmallbore.php
  5. ↑ http://compete.nra.org/documents/pdf/compete/RuleBooks/SBR/sbr-book.pdf Small-bore rifle NRA rule book
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