12 mm caliber

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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 mm, others are in calibers, which are measured in inches.

Pistol cartridges[edit]

Name Bullet Length Rim Base Shoulder Neck OAL
.50 Action Express 12.7 (.500) 32.64 (1.285) 13.06 (.514) 13.89 (.547) - 13.72 (.540) 40.89 (1.610)
.50 GI 12.7 (.500) 22.81 (.899) 12.19 (.480) 13.36 (.526) - 13.36 (.526) 31.01 (1.221)

Revolver cartridges[edit]

Name Bullet Length Rim Base Shoulder Neck OAL
.480 Ruger[1] 12.065 (.475) 32.639 (1.285) 13.767 (.542) 12.802 (.504) - 12.802 (.504) 41.91 (1.650)
12.3×22mm 12.3 - - - - - -
12.3×35mm 12.3 - - - - - -
12.3×50mm 12.3 - - - - - -
12.5×40mm 12.5 - - - - - -
.500 S&W Magnum 12.7 (.500) 41.275 (1.625) 14.12 (.556) 13.36 (.526) - 13.36 (.526) 53.34 (2.10)
.500 Wyoming Express 12.7 (.500) 35 (1.37) - - - - 44.8 (1.765)
.500 Linebaugh 12.95 (.510) 35.69 (1.405) 15.49 (.610) 14.05 (.553) - 13.72 (.540) 44.58 (1.755)

Rifle cartridges[edit]

Name Bullet Case type Case length Rim Base Shoulder Neck Cartridge length Primer
.475 A&M Magnum[2] 12.07 (.475) belted bottlenecked 73.66 (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, necked 76.2 (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, necked 88.65 (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, necked 82.55 (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, straight 82.55 (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 (.500) rimmed, necked 71.37 (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, necked 80 (3.13) 18.2 (.717) 16.4 (.645) 14.9 (.585) 13.4 (.526) 95 (3.74) Berdan 6.38 (0.251)
505 Gibbs .505 Rimless, Bottlenecked 80.0 (3.150") - 16.3 (.640") 16.3 (.640") 13.7 (.538") 97.8 (3.850")
.500 Jeffery .510
.50 Beowulf 12.7 (.500) - - - - - - - Boxer
.50 BMG (12.7 x 99 mm 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 Whisper 12.95 (.510) - 47.63 (1.875) 14.94 (.588) 14.91 (.587) 14.91 (.587) 13.94 (.549) 84.84 (3.34) Boxer
12.7x108mm 12.98 (.511) - 108 (4.3) 21.70 (0.854) 21.75 (0.856) 18.90 (0.744) 13.95 (0.549) 147.50 (5.807) -

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

See also[edit]

References[edit]

  1. ^ Barnes, Frank C. (2006) [1965]. Skinner, Stan, ed. Cartridges of the World (11th Edition 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 Edition 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 Edition 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 Edition 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 Edition 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 Edition 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 Edition 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.