12 mm caliber

This is a list of firearm cartridges which have bullets in the 12 millimetres (0.47 in) to 12.99 millimetres (0.511 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.
12 mm caliber
Example of a 12 mm cartridge, a .50 Action Express (left) next to a .32 ACP for comparison
Firearm cartridges
13 mm»

Some measurements are in millimetres, while others are measured in inches.

Pistol cartridges

NameBulletCase typeCase lengthRimBaseShoulderNeckOAL
.475 Wildey Magnum12.1 (.475)Rebated straight walled30.4 (1.198)12.0 (.473)12.7 (.501)-12.50 (.493)40.00 (1.575)
.50 Action Express12.7 (.500)Rebated straight walled32.64 (1.285)13.06 (.514)13.89 (.547)-13.72 (.540)40.89 (1.610)
.50 GI12.7 (.500)Rebated straight walled22.81 (.899)12.19 (.480)13.36 (.526)-13.36 (.526)31.01 (1.221)

Revolver cartridges

A .500 S&W Magnum cartridge.
NameBulletCase lengthRimBaseShoulderNeckOAL
.480 Ruger[1]12.065 (.475)32.639 (1.285)13.767 (.542)12.802 (.504)-12.802 (.504)41.91 (1.650)
.475 Linebaugh[2] 12.08 (.476) 35.16 (1.384) 13.77 (.542) 12.80 (.504) - 12.80 (.504) 44.43 (1.749)
.500 S&W Special12.7 (.500)32.4 (1.274)14.12 (.556)13.36 (.526)-13.36 (.526)44 (1.733)
.500 Wyoming Express12.7 (.500)35 (1.37)13.8 (.543)13.7 (.541)--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)
.500 S&W Magnum12.7 (.500)41.275 (1.625)14.12 (.556)13.36 (.526)-13.36 (.526)53.34 (2.10)
.500 Bushwhacker12.7 (.500)62 (2.45)14.12 (.556)13.36 (.526)-13.36 (.526)75 (2.95)

Rifle cartridges

NameBulletCase typeCase lengthRimBaseShoulderNeckOALPrimer
.475 A&M Magnum[3]12.07 (.475)Belted, bottleneck73.66 (2.90)13.54 (.533)14.83 (.584)14.22 (.560)12.75 (.502)95.25 (3.75)Boxer large rifle
.470 Capstick[4]12.07 (.475)-72.39 (2.85)13.51 (.532)13.03 (.513)-12.67 (.499)92.71 (3.65)-
.476 Nitro Express[5]12.09 (.476)Rimmed, bottleneck76.2 (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[6]12.27 (.483)Rimmed, bottleneck88.65 (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[7]12.27 (.483)Rimmed, bottleneck82.55 (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[8]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)
.577/.500 Magnum Nitro Express[9]12.7 (.500)Rimmed, bottleneck80 (3.13)18.2 (.717)16.4 (.645)14.9 (.585)13.4 (.526)95 (3.74)Berdan 6.38 (0.251)
.50 Beowulf12.7 (.500)Rebated-rim, straight42 (1.65)11.3 (.445)13.6 (.535)-13.3 (.525)54 (2.125)Boxer
.50 Alaskan12.95 (.510)Rimmed, straight53 (2.10)15.5 (.610)14 (.553)-13.6 (.536)53 (2.10)
.500 Auto Max12.7 (.500)Rimless, straight14.12 (.556)13.36 (.526)-13.36 (.526)53.34 (2.10)
.505 Gibbs12.8 (.505)Rimless, bottleneck80.0 (3.150)-16.3 (.640)16.3 (.640)13.7 (.538)97.8 (3.850)
.500 No. 2 Express (.577/500)[10]12.88 (.507)Rimmed, bottleneck71.37 (2.81)18.44 (.726)16.28 (.641)14.22 (.560)13.67 (.538)86.36 (3.40)Berdan 6.38 (0.251)
.500 Jeffery12.95 (.510)Rebated-rim, bottleneck 70 (2.75)14.6 (.575) 15.7 (.619) 15.4 (.607) 13.7 (.538) 87.88 (3.46)
.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)-
12.7×55mm STs-13013.01 (.512)-54.91 (2.16)-14.86 (0.585)-13.76 (0.54)94 (3.7)-
12.7x81mmSR (.50 British)[11]13.1 (.516)-81.2 (3.20)19.6 (.772)18.35 (.722)16.3 (.642)13.8 (.543)108.7 (4.28)-

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

See also

  • .50 caliber handguns

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. "475 LINEBAUGH" (PDF). C.I.P. 2004-09-27. Retrieved 2020-10-09.
  3. 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.
  4. 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.
  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 (3d ed.). DBI Books. pp. 228, 236. ISBN 0-87349-178-5.
  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. Barnes, Frank C. (1972) [1965]. Amber, John T. (ed.). Cartridges of the World. DBI Books. pp. 230, 236. ISBN 0-695-80326-3.
  11. "municion.org, 12.7x81". Archived from the original on 2018-10-09. Retrieved 2018-07-23.
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