# 13 mm caliber

This is a list of firearm cartridges which have bullets that are 13 millimetres (0.51 in) caliber or larger.
* Length refers to the cartridge case length.
* OAL refers to the overall length of the cartridge.
* Bullet refers to the diameter of the bullet.
All measurements are in mm (in).

## 13 mm (.5118 in) and over

| Name | Date | Bullet diameter | Case length | Rim | Base | Shoulder | Neck | Cartridge length |
| 13×64mm | | 12.91 | 64 | 17.2 | 17.1 | 16.26 | 13.78 | 104.8 |
| 13mm Gyrojet | 1960s | 13 | - | - | - | - | - | 50 |
| .500 Linebaugh | | 13 | 35.7 (5.10) | 15.5 (.610) | 14.0 (.553) | - | 13.7 (.540) | 44.6 (1.75) |
| .500 Nitro Express | | 13.0 (.510) | 76 (3.01) | 16.8 (.660) | 14.7 (.580) | - | 13.6 (.535) | 93 (3.68) |
| .50-90 Sharps | | 13.0 (.512) | 63.5 (2.5) | 16.84 (.663) | 14.86 (.585) | 13.41 (.528) | 13.41 (.528) | 81.28 (3.20) |
| .50-110 Winchester | | 13.0 (.512) | 61 (2.40) | 15.4 (.607) | 14.0 (.551) | - | 13.6 (.534) | 70 (2.75) |
| .50-140 Sharps | | 13.0 (.512) | 83 (3.25) | 16.6 (.652) | 14.0 (.551) | - | 13.4 (.529) | 100 (3.95) |
| .50-70 Government | | 13.08 (.515) | 44.45 (1.75) | 16.76 (.660) | 14.35 (.565) | N/A | 13.69 (.535) | 57.15 (2.25) |
| 13.2mm TuF (13.2×92mmSR) | | 13.2 (525) | 91.32 | 23.1 | 20.9 | 19.1 | 14.6 | 132.6 (5.25) |
| 13.2x96mm Hotchkiss Short | | 13.2 (525) | 96 | 20.2 | 20.12 | 18.6 | 14.4 | 136.5 (5.25) |
| 13.2×99mm Hotchkiss Long | | 13.2 (525) | 99.54 | 20.2 | 20.12 | 18.6 | 14.4 | 136.5 (5.25) |
| .56-56 Spencer | | 14 (.550) | 27.22 (.875) | 16.38 (.645) | 14.22 (.560) | - | 14.22 (.560) | 39.24 (1.545) |
| 14×33mmR Wänzl | | 14.28 mm (.5622 in) | 32.42 mm (1.276 in) | 17.48 mm (.688 in) | 15.2 mm (.5984 in) | N/A | 14.85 mm (.5846 in) | 44.38 mm (1.747 in) |
| .55 Boys (13.9×99mmB) | 1937 | 14.30 (.563) | 97.79 (3.85) | 20.244 (.797) | 20.168 (.794) | 15.34 mm (.604 in) | 15.392 (.606) | 133.43 mm (5.253 in) |
| .577 Snider | 1867 | 14.48 (.570) | 50.8 (2.0) | 18.97 (.747) | 16.76 (.660) | 15.29 (.602) | 15.29 (.602) | 62.23 (2.45) |
| .577 Nitro Express | 1890s | 14.8 (.582) | 76 (3) | 19.0 (.748) | 16.8 (.660) | N/A | 15.4 (.608) | 94 (3.7) |
| .600/577 Rewa | | 14.8 (.582) | 76 (3) | 20.4 (.805) | 17.7 (.697) | 16.4 (.646) | 15.6 (.613) | 97 (3.83) |
| .577 Tyrannosaur | | 14.86 (.585) | 75.946 (2.99) | 17.475 (.688) | 17.475 (.688) | 17.094 (.673) | 15.596 (.614) | 94.234 (3.71) |
| .585 Nyati | | 14.86 (.585) | 70.866 (2.79) | 14.88 (.586) | 16.764 (.660) | 16.510 (.650) | 15.367 (.605) | 89.535 (3.525) |
| 14.5×114mm | 1941 | 14.88 (.586) | 114 (4.488) | 26.95 (1.061) | 26.95 (1.061) | 25.5 (1.004) | 16.5 (.650) | 155.8 (6.134) |
| 14.5х148 | | 14.88 (.586) | 148 (5.827) | - | - | - | - | - |
| 14.5х218 | | 14.88 (.586) | 218 (8.583) | - | - | - | - | - |
| 14.5mm JDJ | | 14.9 (.587) | - | - | - | - | - | - |
| 15x96mm Mauser | | 15.1 | 96 | - | - | - | - | - |
| 15х104 Brno | | 15 (.59) | 103.9 (4.094) | 24.9 | 24.9 | 23.1 | 17.14 | 152 |
| 15.24х40R Krnka | | 15.45 (.608) | 40 (1.575) | - | - | - | - | - |
| 15.5х106 BRG | | 15.49 (.61) | 106 (4.173) | - | - | - | - | - |
| .600 Nitro Express | 1899 | 15.7 (.620) | 76 (3) | 20.4 (.805) | 17.7 (.697) | N/A | 16.5 (.648) | 93 (3.68) |
| .600 Overkill | | 15.7 (.62) | 76 (3) | 16.3 (.64) | 16.7 (.656) | 16.4 (.646) | 16.4 (.646) | 93 (3.65) |
| .700 Nitro Express | 1988 | 17.78 (.700) | 88.90 (3.50) | 22.606 (.890) | 19.812 (.780) | N/A | 18.491 (.728) | 106.68 (4.20) |
| .70-150 Winchester | | 17.9 (.705) | 55.37 (2.18) | 22.1 (.870) | 20.44 (.805) | 20.07 (.790) | 18.42 (.725) | 66.8 (2.63) |
| 20.3х95R Ghan | | 21 (.827) | 95 (3.74) | - | - | - | - | - |
| 20х150R | | ~21 (~.827) | 150 (5.9) | - | - | - | - | - |
| 23×152mmB - | | - | - | - | |
| .950 JDJ (24.1×70mm) | | 24.13mm (.950 in) | 70mm (2.75 in) | 29mm (1.14in) | 29mm (1.14 in) | 29mm (1.14 in) | 26mm (1.023 in) | 101.6 mm (4.00 in) |