Profile
- Origin
- United States
- Built in
- United Statesmultiple countries
- Type
- Rifle cartridge and machine-gun ammunition used by the Browning M1919 family
- Service note
- Adopted in 1906 and standardized for decades of U.S. and commercial use
- Designed
- 1906
- Produced
- 1906-present
- Variants
- M1 Ball, M2 Ball, M2 Armor Piercing





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