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.303ammunition

A .303 British cartridge

This article lists firearm cartridges which have a bullet in the 7.0 millimetres (Script error in) to 7.99 millimetres (Script error in) caliber range.

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

All measurements are in mm (in), and all charts are sortable by clicking on the icon beside the title of the column you wish to sort.

Pistol cartridgesEdit

Name Bullet Case type Case length Rim Base Shoulder Neck OAL
7×20mm Nambu[1] 7.112 (.280) rimless bottleneck 19.81 (0.78) 9.12 (.359) 8.91 (.351) 8.56 (.337) 7.52 (.296) 26.92 (1.06)
7.65mm Roth-Sauer[1] 7.645 (.301) rimless straight 12.95 (0.51) 8.51 (.335) 8.51 (.335) - 8.43 (.332) 21.34 (0.84)
7.65x25mm Borchardt 7.798 (.307) rimless bottleneck 25.15 (.990) 9.91 (.390) 9.78 (.385) 9.4 (.370) 8.41 (.331) 34.54 (1.36)
7.62x25mm Tokarev 7.798 (.307) rimless bottleneck 24.99 (.984) 9.96 (.392) 9.83 (.387) 9.47 (.373) 8.48 (.334) 34.29 (1.35)
7.63x25mm Mauser 7.823 (.308) rimless bottleneck 25.15 (.990) 9.91 (.390) 9.68 (.368) 9.4 (.370) 8.43 (.332) 34.54 (1.36)
7.65mm Mannlicher[1] 7.823 (.308) rimless straight 21.34 (0.84) 8.48 (.334) 8.43 (.332) - 8.41 (.331) 28.45 (1.12)
7.65mm Longue[1] 7.849 (.309) rimless straight 19.81 (0.78) 8.56 (.337) 8.56 (.337) - 8.53 (.336) 30.23 (1.19)
7.65x21mm Parabellum 7.861 (.3095) rimless bottleneck 21.59 (.850) 10.01 (.394) 9.906 (.390) 9.627 (.379) 8.433 (.332) 29.84 (1.175)
.32 NAA 7.95 (.3125) rimless bottleneck 17.27 (.680) 9.50 (.374) 9.50 (.374) 9.47 (.373) 8.55 (.336) 25.0 (.984)
.32 ACP (7.65x17mm Browning SR) 7.65 (.3011) semi-rimmed straight 17.27 (.680) 9.093 (.358) 8.585 (.338) N/A 8.55 (.336) 25.0 (.984)

Revolver cartridgesEdit

Name Bullet Case type Case length Rim Base Neck Cartridge length
7.62x38mmR (7.62 mm Nagant {Rimmed})[1] 7.493 (.295) rimmed straight 38.86 (1.53) 9.855 (.388) 8.51 (.335) 7.26 (.286) 38.86 (1.53)
.32 Smith & Wesson[1] 7.950 (.312) rimmed straight 15.49 (0.61) 9.53 (.375) 8.51 (.335) 8.48 (.334) 23.37 (0.92)
.32 S&W Long (.32 Colt New Police)[1] 7.950 (.312) rimmed straight 23.62 (0.93) 9.53 (.375) 8.51 (.335) 8.48 (.334) 32.26 (1.27)
.32 H&R Magnum 7.950 (.312) rimmed straight 27.3 (1.075) 9.5 (.375) 8.6 (.337) 8.6 (.337) 34.30 (1.35)
.327 Federal Magnum 7.950 (.312) rimmed straight 30.00 (1.20) 9.5 (.375) 8.6 (.337) 8.6 (.337) 37.00 (1.47)
.32 Short Colt (.320 Revolver)[1] 7.950 (.313) rimmed straight 16.51 (.650) 9.576 (.377) 8.077 (.318) 7.95 (.313) 24.38 (.960)
.32 Long Colt (.32 Colt) 7.950 (.313)[1] rimmed straight 23.37 (0.92) 9.500 (.374) 8.077 (.318) 7.95 (.313) 32.00 (1.26)


Rifle cartridgesEdit

6.8 mm (.277 in) rifle cartridges (commonly known as .270 or 6.8 mm)Edit

Name Bullet Length Rim Base Shoulder Neck OAL
6.8mm Remington SPC 7.036 (.277) 42.545 (1.675) 10.72 (.422) 10.69 (.421) 10.21 (.402) .298 (.298) 58.80 (2.315)
.270 Winchester 7.036 (.277) 64.52 (2.540) 12.01 (.473) 11.94 (.470) 11.20 (.441) 7.06 (.278) 84.84 (3.340)
270 WSM
(Winchester Short Magnum)
7.036 (.277) 53.34 (2.100) 13.59 (.535) 14.10 (.555) 13.665 (.538) 7.976 (.314) 72.64 (2.860)
.270 Weatherby Magnum 7.036 (.277) 64.75 (2.55) 13.50 (.531) 13.00 (.512) 12.50 (.492) 7.70 (.303) 82.50 (3.250)


7.0 mm (.284 in) rifle cartridges (commonly known as 7mm)Edit

Name Bullet Length Rim Base Shoulder Neck OAL
.276 Enfield 7.16 (.282) 60 (2.35) 13.1 (.517) 13.4 (.528) - - 82 (3.23)
.284 Winchester 7.211 (.284) 55.12 (2.170) 12.01 (.473) 12.72 (.501) 12.06 (.475) 8.13 (.320) 71.12 (2.80)
7mm BR
(Bench Rest)
7.214 (.284) 38.61 (1.520) 12.01 (.473) 11.94 (.470) 11.68 (.460) 7.82 (.308) -
7 mm SAUM
(Short Action Ultra Magnum)
7.214 (.284) 51.69 (2.035) 13.564 (.534) 13.97 (.550) 13.564 (.534) 8.128 (.320) 71.76 (2.825)
7mm WSM 7.214 (.284) 53.34 (2.100) 13.59 (.535) 14.10 (.555) 13.67 (.538) 8.15 (.321) -
7mm Dakota 7.214 (.284) 63.50 (2.500) 13.84 (.545) 13.84 (.545) 13.49 (.531) 8.00 (.315) -
.280 British 7.214 (.284) 43.434 (1.71) 11.633(.458) 11.94 (.470) 11.38 (.448) 7.95 (.313) 64.516 (2.54)
.280/30 British 7.214 (.284) 43.434 (1.71) 12.01 (.473) 11.94 (.470) 11.38 (.448) 7.95 (.313) 64.516 (2.54)
.276 Pedersen 7.218 (.284) 51.38 (2.023) 11.43 (.450) 11.43 (.450) 9.78 (.385) 7.95 (313) 72.39 (2.85)
7-30 Waters 7.214 (.284) 52 (2.04) 12.9 (.506) 10.7 (.422) (needed) 7.8 (.306) 64 (2.52)
7mm-08 Remington 7.214 (.284) 51.689 (2.035) 12.01 (.473) 11.94 (.470) 11.53 (.454) 8.00 (.315) 71.12 (2.80)
7x57mm Mauser
  • 7 mm Mauser
  • Spanish Mauser
  • .275 Rigby
7.24 (.285) 57.00 (2.244) 12.01 (.473) 11.99 (.472) 10.92 (.430) 8.23 (.324) 77.72 (3.06)
7mm Remington Magnum 7.214 (.284) 63.50 (2.50) 13.51 (.532) 13.00 (.512) 12.47 (.491) 8.00 (.315) 83.56 (3.290)
7x64 Brenneke [2] 7.24 (.285) 64.00 (2.520) 11.95 (.470) 11.85 (.467) 10.80 (.425) 7.95 (.313) 84.00 (3.307)
.280 Remington
(7 mm Remington Express)
7.214 (.284) 64.52 (2.54) 12.01 (.473) 11.94 (.470) 11.20 (.441) 8.00 (.315) 84.58 (3.33)
7mm RUM
(Remington Ultra Magnum)
7.214 (.284) 72.39 (2.85) 13.564 (.534) 13.97 (.550) 13.335 (.525) 8.179 (.322) 92.71 (3.650)
7mm STW[3]
(Shooting Times Westerner)
7.214 (.284) 72.39 (2.850) 13.02 (.5126) 13.51 (.532) 12.36 (.4868) 8.00 (.315) 91.44 (3.60)
7mm Weatherby Magnum 7.214 (.284) - - - - - -
.280 Ross [4] / .280 Rimless / .280 Nitro 7.29 (.287) 65.79 (2.59) 14.12 (.556) 13.56 (.534) 10.26 (.404) 8.05 (.317) 88.9 (3.50)
Modern 7mm Rem Mag (375 Ruger case) 7.214 (.284) 65 (2.559)13.51 (.532) 13.51 (.532)13.1 (.516) 8.05 (.317) 85 (3.35)


7.8 mm (.308 in) rifle cartridges (commonly known as .308, 30 caliber, 7.62 mm)Edit

Name Bullet Length Rim Base Shoulder Neck OAL
.30 Pedersen 7.82 (.308) 19.76 (.778) 8.48 (.334) 8.48 (.334) N/A 8.43 (.332) 30.38 (1.196)
.30 Carbine 7.798 (.307) 32.77 (1.290) 9.14 (.360) 8.99 (.354) N/A 8.41 (.331) 41.91 (1.65)
7.62x40 Wilson Tactical 7.82 (.308) 39.8 (1.565) 9.6 (.378) 9.6 (.377) - - -
7.62x51 mm NATO 7.82 (.308) 51.05 (2.01) 11.94 (.470) 11.84 (.466) 11.35 (.447) 8.58 (.338) 69.85 (2.75)
.308 Winchester 7.82 (.308) 51.18 (2.015) 11.94 (.470) 11.94 (.470) 11.53 (.454) 8.74 (.344) 69.85 (2.75)
.300 RSAUM 7.82 (.308) 51.181 (2.015) 13.564 (.534) 13.97 (.550) 13.564 (.534) 8.74 (.344) 51.69 (2.035)
.300 WSM
(Winchester Short Magnum)
7.823 (.308) 53.34 (2.100) 13.59 (.535) 14.10 (.555) 13.665 (.538) 8.74 (.344) 72.64 (2.860)
7.5 x 54 mm MAS Mle.1929 [5] 7.82 (.308) 53.59 (2.11) 12.24 (.482) 12.19 (.480) 11.2 (.441) 8.64 (.340) 75.95 (2.99)
7.5 x 55 Schmidt Rubin 7.77 (.306) 55.499 (2.185) 12.598 (.496) 12.548 (.494) 11.481 (.452) 8.484 (.334) 77.47 (3.05)
.30-40 Krag 7.82 (.308) 58.674 (2.31) 13.84 (.545) 11.608 (.457) 10.541 (.415) 8.585 (.338) 78.74 (3.10)
.30-03 7.835 (.3085) 64.52 (2.54) 12.01 (.473) 11.94 (.470) 11.2 (.441) 8.64 (.340) 84.84 (3.340)
.30-06 Springfield 7.835 (.3085) 63.35 (2.494) 12.01 (.473) 11.94 (.470) 11.07 (.436) 8.628 (.3397) 84.84 (3.340)
.300 Winchester Magnum 7.82 (.308) 66.55 (2.62) 13.51 (.532) 13.03 (.513) 12.42 (.489) 8.61 (.339) 84.84 (3.34)
.300 RUM 7.82 (.308) 72.39 (2.850) 13.564 (.534) 13.97 (.550) 13.335 (.525) 8.74 (.344) 90.30 (3.555)
.30-30 Winchester 7.849 (.309) 51.79 (2.039) 12.85 (.506) 10.72 (.422) 10.18 (.401) 8.46 (.333) 64.77 (2.550)
7.62 x 45 mm M52 7.85 (.309) 44.9 (1.768) 11.18 (.440) 11.20 (.441) 10.46 (.412) 8.48 (.334) 60 (2.362)
.300 Weatherby Magnum [6] 7.82 (.302) 71.75 (2.825) 13.49 (.531) 13 (.512) 12.5 (.492) 8.53 *.336) 90.47 (3.562)
.30-378 Weatherby Magnum [7] 7.82 (.308) 73.99 (2.913) 14.71 (.579) 14.78 (.582) 14.25 (.561) 8.56 (.337) 93.73 (3.690)
Modern 300 H&H (Full length 375 Ruger case) 7.82 (.308) 72.39 (2.850) 13.51 (.532)13.51 (.532) 13.1 (.516) 8.6 (.338) 91.44 (3.600)


7.8 mm (.310 in) and greater rifle cartridgesEdit

Name Bullet Length Rim Base Shoulder Neck OAL
7.62x54mmR 7.870 (.310) 53.72 (2.115) 14.48 (.570) 8.53 (.336) 11.47 (.452) 8.50 (.335) 77.16 (3.038)
7.62x39mm M43 7.899 (.311) 38.65 (1.522) 11.30 (.445) 11.25 (.443) 10.01 (.394) 8.636 (.340) 55.80 (2.197)
.303 British 7.925 (.312) 55.88 (2.2) 13.46 (.530) 11.61 (.457) 10.19 (.401) 8.53 (.336) 76.48 (3.011)
.32-20 Winchester
.32-20 WCF
7.937 (.3125) 33.401 (1.315) 10.287 (.405) 8.966 (.353) 8.687 (.342) 8.280 (.326) 40.386 (1.59)
7.65x53mm Argentine 7.950 (.313) 53.188 (2.094) 11.938 (.470) 11.887 (.468) 10.897 (.429) 8.585 (.338) 75.387 (2.968)
7.7x58mm Arisaka 7.950 (.313) 57.15 (2.25) 11.94 (.470) 11.89 (.468) 10.9 (.429) 8.59 (.338) 74.93 (2.95)
.300 Lapua Magnum 7.87 (.308) 69.73 (2.745) 14.93 (.588) 14.91 (.587) 13.82 (.544) 8.73 (.344) 94.50 (3.72)

See alsoEdit

ReferencesEdit

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Barnes, Frank C., ed. Amber, John T., Cartridges Of The World (3rd Edition), (DBI, 1978), ISBN 0-695-80326-3
  2. Script error
  3. "7mm Shooting Times Westerner" data from Accurate Powder
  4. Script error
  5. Script error
  6. .300 Weatherby Magnum at Accurate Powder
  7. Cartridge Dimensions at Steve's Pages

External linksEdit

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