# 8 mm caliber

This is a list of firearm cartridges which have bullets in the 8-to-9-millimetre (0.31 to 0.35 in) caliber range.
* Length refers to the empty cartridge case length
* OAL refers to the overall length of the loaded cartridge
All measurements are in mm (in)

## Pistol cartridges

| Name | Bullet | Length | Rim | Base | Shoulder | Neck | OAL |
| .32 ACP (.32 Auto) | 7.94 (.3125) | 17.3 (.68) | 9.1 (.358) | 8.6 (.337) | - | 8.55 (.3365) | 25.0 (.984) |
| .30 Super Carry | 8.0 (.313) | 21.0 (.827) | 8.8 (.346) | 8.8 (.346) | - | 8.8 (.346) | 29.7 (1.169) |
| 8mm Roth–Steyr | 8.16 (.321) | 18.65 (.734) | 8.85 (.348) | 8.85 (.348) | - | 8.8 (.346) | 29.00 (1.142) |
| 8×22mm Nambu | 8.18 (.322) | 21.25 (.840) | 10.50 (.413) | 10.32 (.407) | 9.86 (.388) | 8.73 (.340) | 31.75 (1.25) |

## Revolver cartridges

| Name | Bullet | Length | Rim | Base | Neck | OAL |
| .32 S&W (.32 S&W Short) | 7.9 (.312) | 15 (.61) | 9.5 (.375) | 8.5 (.335) | 8.5 (.334) | 23 (.92) |
| .32 S&W Long | 7.9 (.312) | 23.37 (.920) | 9.53 (.375) | 8.56 (.337) | 8.56 (.337) | 32.51 (1.280) |
| .32 H&R Magnum | 7.9 (.312) | 27.3 (1.075) | 9.53 (.375) | 8.56 (.337) | 8.56 (.337) | 34.3 (1.350) |
| .327 Federal Magnum | 7.9 (.312) | 30 (1.20) | 9.5 (.375) | 8.6 (.337) | 8.6 (.337) | 37 (1.47) |
| .320 Revolver | 8.052 (.317) | 16 (0.62) | 8.9 (.350) | 7.9 (.306) | 8.1 (.320) | 24.5 (.95) |
| 7.5mm 1882 Ordnance 7.5mm Swiss Army Revolver | 8.052 (.317) | 22.61 (.890) | 10.34 (.407) | 8.763 (.345) | 8.509 (.335) | 32.77 (1.29) |
| 8mm Gasser | 8.11 (.319) | 27 (1.063) | 9.68 (.381) | 8.6 (.339) | 8.56 (.337) | 36 (1.417) |
| 8mm French Ordnance 8mm Lebel Revolver 8×27mmR Règlementaire Mle 92 | 8.204 (.323) | 27.18 (1.07) | 10.16 (.400) | 9.753 (.384) | 8.89 (.35) | 36.58 (1.44) |
| 7.5mm Swedish Nagant | 8.255 (.325) | 22.61 (.890) | 10.31 (.406) | 8.890 (.350) | 8.331 (.328) | 34.29 (1.35) |

## Rifle cartridges

| Name | Bullet | Case type | Case length | Rim | Base | Shoulder | Neck | OAL |
| .32 Ballard Extra Long | 8.05 (.317) | | 31.50 (1.24) | 9.37 (.369) | 8.15 (.321) | | 8.05 (.318) | 45.7 (1.80) |
| .32-40 Ballard | 8.14 (.320) | | 54 (2.13) | 12.9 (.506) | 10.8 (.424) | - | 8.6 (.338) | 66 (2.59) |
| 8×52mmR Mannlicher | 8.14 (.320) | | 52.3 (2.06) | 14.08 (.554) | 12.46 (.491) | 12.06 (.473) | 8.93 (.352) | 76.05 (2.994) |
| 8×50mmR Mannlicher | 8.15 (.321) | | 50.38 (1.983) | 14.11 (.556) | 12.48 (.491) | 12.01 (.473) | 9.03 (.356) | 76.21 (3.000) |
| .32 Winchester Self-Loading | 8.16 (.321) | | 31 (1.24) | 9.9 (.390) | 9.9 (.390) | 8.8 (.347) | 8.8 (.347) | 48 (1.88) |
| 8×58mmR Danish Krag | 8.16 (.321) | | 58.00 (2.28) | 14.6 (.575) | 12.82 (.505) | 11.93 (.470) | 9.05 (.356) | 78.00 (3.071) |
| 8×56mmR Kropatschek | 8.17 (.322) | | 56.02 (2.206) | 15.74 (.620) | 13.76 (.542) | 12.15 (.478) | 9.2 (.362) | 81.95 (3.226) |
| .32 Winchester Special | 8.18 (.321) | | 51.82 (2.040) | 12.85 (.506) | 10.72 (.422) | 10.19 (.401) | 8.77 (.345) | 64.77 (2.55) |
| 7.92×33mm Kurz | 8.2 (.321) | Rimless tapered bottlenecked | 33.00 (1.3) | 11.9 (.470) | 11.9 (.470) | 11.2 (.431) | 8.9 (.357) | 49.00 (1.92) |
| .32 Remington | 8.2 (.321) | | 52.3 (2.06) | 10.6 (.418) | 10.6 (.418) | 10.0 (.394) | 8.7 (.341) | 64.52 (2.54) |
| .325 WSM | 8.22 (.323) | | 53.34 (2.10) | 13.59 (.535) | 14.10 (.555) | 13.665 (.538) | 9.093 (.357) | 76.2 (2.86) |
| 8×57mm IS/8mm Mauser | 8.20 (.323) | | 57.00 (2.244) | 11.95 (.470) | 11.94 (.470) | 10.95 (.431) | 9.08 (.345) | 82 (3.228) |
| 8×60mm S | 8.20 (.323) | | 60.00 (2.362) | 11.95 (.470) | 11.98 (.473) | 10.95 (.431) | 9.08 (.357) | 82.5 (3.25) |
| 8×63mm patron m/32 | 8.20 (.323) | Rebated | 62.81 (2.473) | 12.18 (.480) | 12.43 (.489) | 11.51 (.453) | 9.1 (.358) | 84.62 (3.331) |
| 8×64mm S | 8.20 (.323) | | 64.00 (2.520) | 12.00 (.473) | 11.95 (.470) | 10.85 (.427) | 8.96 (.353) | 87.5 (3.445) |
| 8×68mm S | 8.20 (.323) | | 67.50 (2.657) | 13.00 (.512) | 13.30 (.524) | 12.15 (.478) | 9.14 (.360) | 87 (3.425) |
| 8mm Remington Magnum | 8.217 (.3235) | | 72.39 (2.850) | 13.51 (.532) | 13.02 (.5126) | 12.36 (.4868) | 8.99 (.354) | 91.44 (3.60) |
| 8mm Lebel | 8.3 (.327) | | 50.5 (1.99) | 16.0 (.630) | 13.77 (.543) | 11.6 (.457) | 8.85 (.349) | 69.85 (2.75) |
| 8×56mmR Mannlicher | 8.35 (.329) | | 55.63 (2.190) | 14.05 (.553) | 12.47 (.491) | 12.00 (.472) | 9.20 (.362) | 75.91 (2.989) |
| 8×59mm RB Breda | 8.36 (.329) | Rebated tapered bottlenecked | 58.84 (2.317) | 11.92 (.469) | 12.49 (.492) | 10.80 (.425) | 9.14 (.360) | 80.44 (3.167) |
| .333 Jeffery Flanged | 8.5 (.333) | | 64 (2.50) | 15.9 (.625) | 13.8 (.544) | 12.3 (.484) | 9 (.356) | 89 (3.49) |
| 8.6 mm Blackout | 8.585 (.338) | | 42.80 (1.685) | 12.01 (.473) | 11.946 (.470) | 11.531 (.454) | 9.40 (.370) | 63.25 (2.490) |
| .338 Norma Magnum | 8.585 (.338) | | 63.30 (2.492) | 14.93 (.588) | 14.87 (.585) | 14.50 (.571) | 9.40 (.370) | 93.50 (3.681) |
| .338 Winchester Magnum | 8.585 (.338) | | 63.50 (2.500) | 13.51 (.532) | 13.03 (.511) | 12.47 (.491) | 9.39 (.369) | 84.84 (3.340) |
| .338 Lapua Magnum | 8.585 (.338) | | 69.20 (2.73) | 14.93 (.588) | 14.91 (.587) | 13.82 (.544) | 9.41 (.371) | 93.50 (3.68) |
| .338 Whisper | 8.59 (.338) | | 38.08 (1.499) | 11.91 (.469) | 11.83 (.466) | 11.60 (.457) | 9.11 (.359) | 67.51 (2.658) |
| .338 Marlin Express | 8.59 (.338) | | 47.90 (1.886) | 13.92 (.548) | 12.76 (.502) | 12.60 (.496) | 9.45 (.372) | 65.62 (2.583) |
| .33 Winchester | 8.59 (.338) | | 54 (2.11) | 15.5 (.610) | 12.9 (.508) | 11.3 (.443) | 9.3 (.365) | 71 (2.8) |
| .338-06 | 8.59 (.338) | | 63.35 (2.494) | 12.01 (.473) | 11.99 (.472) | 11.2 (.441) | 9.37 (.369) | 85.6 (3.37) |
| 8,5 × 68 Fanzoj | 8.59 (.338) | | 67.50 (2.657) | 13.00 (.512) | 13.30 (.524) | 12.15 (.478) | 9.45 (.372) | 87.00 (3.425) |
| 338 Blaser Mag. | 8.59 (.338) | | 63.70 (2.508) | 13.59 (.535) | 13.84 (.545) | 13.02 (.513) | 9.36 (.369) | 84.84 (3.340) |
| .338 Federal | 8.6 (.338) | | 51 (2.01) | 12.0 (.473) | 11.9 (.470) | 11.5 (.454) | 9.4 (.369) | 70 (2.75) |
| .338 Ruger Compact Magnum | 8.6 (.338) | | 51.2 (2.015) | 13.5 (.532) | 13.5 (.532) | 13.1 (.515) | 10.3 (.405) | 72.1 (2.840) |
| .338 Remington Ultra Magnum | 8.6 (.338) | | 70.1 (2.760) | 13.6 (.534) | 13.97 (.55) | 13.6 (.5261) | 9.4 (.371) | 91.4 (3.6) |
| .338 Edge | 8.6 (.338) | | 72.4 (2.850) | 13.6 (.534) | 14 (.55) | 13.3 (.525) | 9.4 (.371) | 91.4 (3.6) |
| .338 Weatherby RPM | 8.6 (.338) | | 64.77 (2.550) | 12.01 (.473) | 12.70 (.500) | 12.036 (.4739) | 9.25 (.364) | 85.85 (3.380) |
| .340 Weatherby Magnum | 8.6 (.338) | | 71.63 (2.82) | 13.5 (.530) | 13.0 (.513) | 12.6 (.495) | 9.3 (.366) | 91.4 (3.6) |
| .338-378 Weatherby Magnum | 8.6 (.338) | | 73.8 (2.905) | 14.7 (.579) | 14.8 (.582) | 14.2 (.560) | 9.2 (.361) | 93 (3.65) |
| .33 Nosler | 8.611 (.3390) | | 62.48 (2.460) | 13.56 (.534) | 13.970 (.5500) | 13.452 (.5300) | 9.398 (.3700) | 84.84 (3.340) |
| .345 Winchester Self-Loading | 8.8 (.345) | | 34.89 (2.255) | 9.49 | 8.25 | | - | 52.69 |
| .348 Winchester | 8.8 (.348) | | 57.3 (2.255) | 15.5 (.610) | 14.0 (.553) | 12.3 (.485) | 9.61 (.379) | 71.0 (2.795) |