12 mm caliber

This article lists firearm cartridges which have a bullet in the 12-millimeter (0.47 in) to 13-millimeter (0.51 in) caliber range.

  • Length refers to the cartridge case length.
  • OAL refers to the overall length of the cartridge.
  • Bullet refers to the diameter of the bullet.

Some measurements are in millimetres, others are in calibers, which are measured in inches

Pistol cartridges

NameBulletLengthRimBaseShoulderNeckOAL
.475 Wildey Magnum12.1 (.475)30.4 (1.198)12.0 (.473)12.7 (.501)-12.50 (.493)40.00 (1.575)
.50 Action Express12.7 (.500)32.64 (1.285)13.06 (.514)13.89 (.547)-13.72 (.540)40.89 (1.610)
.50 GI12.7 (.500)22.81 (.899)12.19 (.480)13.36 (.526)-13.36 (.526)31.01 (1.221)

Revolver cartridges

NameBulletLengthRimBaseShoulderNeckOAL
.480 Ruger[1]12.065 (.475)32.639 (1.285)13.767 (.542)12.802 (.504)-12.802 (.504)41.91 (1.650)
.500 S&W Magnum12.7 (.500)41.275 (1.625)14.12 (.556)13.36 (.526)-13.36 (.526)53.34 (2.10)
.500 Wyoming Express12.7 (.500)35 (1.37)----44.8 (1.765)
.500 Linebaugh12.95 (.510)35.69 (1.405)15.49 (.610)14.05 (.553)-13.72 (.540)44.58 (1.755)

Rifle cartridges

NameBulletCase typeCase lengthRimBaseShoulderNeckCartridge lengthPrimer
.475 A&M Magnum[2]12.07 (.475)belted bottlenecked73.66 (2.90)13.54 (.533)14.83 (.584)14.22 (.560)12.75 (.502)95.25 (3.75)Boxer large rifle
.470 Capstick[3]12.07 (.475)-72.39 (2.85)13.51 (.532)13.03 (.513)-12.67 (.499)92.71 (3.65)-
.476 Nitro Express[4]12.09 (.476)rimmed, necked76.2 (3.00)16.33 (.643)14.48 (.570)13.46 (.530)12.9 (.508)95.76 (3.77)Berdan 6.45 (0.254)
.470 Nitro Express[5]12.27 (.483)rimmed, necked88.65 (3.25)16.41 (.646)14.53 (.572)13.41 (.528)12.7 (.500)108.2 (4.26)Berdan 6.45 (0.254)
.475 No. 2 Nitro Express[6]12.27 (.483)rimmed, necked82.55 (3.49)16.86 (.665)14.63 (.576)13.89 (.547)12.95 (.510)98.04 (3.86)Berdan 6.45 (0.254)
.475 Nitro Express[7]12.27 (.483)rimmed, straight82.55 (3.25)16.41 (.646)14.53 (.572)-13.41 (.528)98.04 (3.86)Berdan 6.38 (0.251)
.500 No. 2 Express (.577/500)[8]12.88 (.507)rimmed, necked71.37 (2.81)18.44 (.726)16.28 (.641)14.22 (.560)13.67 (.538)86.36 (3.40)Berdan 6.38 (0.251)
.577/.500 Magnum Nitro Express[9]12.7 (.500)rimmed, necked80 (3.13)18.2 (.717)16.4 (.645)14.9 (.585)13.4 (.526)95 (3.74)Berdan 6.38 (0.251)
505 Gibbs.505rimless, bottlenecked80.0 (3.150")-16.3 (.640")16.3 (.640")13.7 (.538")97.8 (3.850")
.500 Jeffery.510
.50 Beowulf12.7 (.500)-42 (1.65)11.3 (.445)13.6 (.535)-13.3 (.525)54 (2.125)Boxer
.50 BMG (12.7×99mm NATO)12.95 (.510)-99.31 (3.91)20.42 (.804)20.42 (.804)18.82 (.741)14.22 (.560)138.43 (5.45)Boxer
.510 DTC Europ (.50 DTC)12.95 (.510)-96.77 (3.81)--19.304 (.760)-135.89 (5.35)Boxer
.510 Whisper12.95 (.510)-47.63 (1.875)14.94 (.588)14.91 (.587)14.91 (.587)13.94 (.549)84.84 (3.34)Boxer
12.7×108mm12.98 (.511)-108 (4.3)21.70 (0.854)21.75 (0.856)18.90 (0.744)13.95 (0.549)147.50 (5.807)-
12.7x81mmSR[10]13.1-81.219.618.3516.313.8108.7-

Note: The .50 Sharps, Winchester and US Government cartridges were actually of 13mm caliber

See also

References

  1. Barnes, Frank C. (2006) [1965]. Skinner, Stan, ed. Cartridges of the World (11th ed.). Iola, WI, USA: Gun Digest Books. p. 313. ISBN 0-89689-297-2.
  2. Barnes, Frank C. (1972) [1965]. Amber, John T., ed. Cartridges of the World (3d ed.). DBI Books. pp. 142–3. ISBN 0-87349-178-5.
  3. Barnes, Frank C. (1997) [1965]. McPherson, M.L., ed. Cartridges of the World (8th ed.). DBI Books. pp. 227, 230. ISBN 0-87349-178-5.
  4. Barnes, Frank C. (1972) [1965]. Amber, John T., ed. Cartridges of the World (3d ed.). DBI Books. pp. 228, 236. ISBN 0-87349-178-5.
  5. Barnes, Frank C. (1972) [1965]. Amber, John T., ed. Cartridges of the World (3d ed.). DBI Books. pp. 228, 236. ISBN 0-87349-178-5.
  6. Barnes, Frank C. (1972) [1965]. Amber, John T., ed. Cartridges of the World (3d ed.). DBI Books. pp. 228, 236. ISBN 0-87349-178-5.
  7. Barnes, Frank C. (1972) [1965]. Amber, John T., ed. Cartridges of the World (3d ed.). DBI Books. pp. 228, 236. ISBN 0-87349-178-5.
  8. Barnes, Frank C. (1972) [1965]. Amber, John T., ed. Cartridges of the World. DBI Books. pp. 230, 236. ISBN 0-695-80326-3.
  9. Barnes, Frank C. (1972) [1965]. Amber, John T., ed. Cartridges of the World. DBI Books. pp. 230, 236. ISBN 0-87349-178-5.
  10. municion.org, 12.7x81
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