.118 in / 3 Mm Auto Cartridges
| Name | Bullet | Length | Rim | Base | Shoulder | Neck | OAL |
|---|---|---|---|---|---|---|---|
| 3 mm Kolibri | 3.048 (.120) | 8.128 (.320) | 3.810 (.150) | 3.810 (.150) | N/A | 3.810 (.150) | 10.92 (.430) |
| 3 mm US | 3.048 (.120) | 47 (1.85) | 10 (.393) | 10 (.393) | 9.3 (0.366) | 4 (.157) | 55 (2.16) |
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