.25 caliber may refer to the followingfirearms cartridges:
| Name | Bullet | Length | Rim | Base | Shoulder | Neck | OAL |
|---|---|---|---|---|---|---|---|
| .25 ACP | 6.375 (.251) | 15.62 (.615) | 7.67 (.302) | 7.06 (.278) | N/A | 7.06 (.278) | 23.11 (.910) |
| .25 NAA | 6.375 (.251) | 18.9 (.744) | 8.6 (.339) | 8.6 (.337) | 8.5 (.333) | 7.0 (.276) | 24.4 (.960) |
| Name | Bullet | Length | Rim | Base | Shoulder | Neck | OAL |
|---|---|---|---|---|---|---|---|
| .25-06 Remington[1] | 6.541 (.2575) | 63.35 (2.494) | 12.01 (.473) | 11.94 (.470) | 11.20 (.441) | 7.37 (.290) | 82.55 (3.250) |
| .25-20 Winchester | 6.55 (.258) | 33.78 (1.33) | 10.36 (.408) | 8.86 (.349) | 8.46 (.333) | 6.96 (.274) | 40.44 (1.592) |
| .25-35 Winchester[2] | 6.55 (.258) | 51.89 (2.043) | 12.85 (.506) | 10.73 (.422) | 9.26 (.365) | 7.15 (.282) | 64.77 (2.55) |
| .25-45 Sharps | 6.53 (.257) | 44.7 (1.76) | 9.6 (.378) | 9.6 (.376) | 8.99 (.3539) | 7.2 (.284) | 57.4 (2.26) |
| .250-3000 Savage[3] | 6.553 (.258) | 48.46 (1.912) | 12.01 (.473) | 11.91 (.469) | 10.51 (.414) | 7.26 (.286) | 63.88 (2.515) |
| .256 Winchester Magnum | 6.528 (.257) | 32.54 (1.281) | 11.18 (.440) | 9.677 (.381) | 9.347 (.368) | 6.528 (.257) | 40.39 (1.590) |
| .257 Roberts[4] | 6.553 (.258) | 56.72 (2.233) | 12.01 (.473) | 11.99 (.472) | 10.92 (.430) | 7.36 (.290) | 70.49 (2.775) |
| .25 WSSM | 6.541 (.2575) | 42.42 (1.670) | 13.59 (.535) | 14.097 (.5550) | 13.826 (.5443) | 7.595 (.2990) | 59.94 (2.360) |
| .257 Weatherby Magnum | 6.5 (.257) | 65.0 (2.560) | 13.6 (.534) | 13.1 (.514) | 12.6 (.496) | 7.3 (.288) | 81.5 (3.209) |
