M33
12.7 x 99 mm Ball M33
Ball machine gun cartridge to MIL-C-10190D with tombac jacketed steel and lead/antimony core bullet.
Also written: .50, .50 BMG, .50 Browning, 12,7x99, 12.7 x 99, 12.7X99, 12.7x99, 127x99
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Specification
| Index | A-261 |
|---|---|
| Standard | MIL-C-10190D |
| Bullet type | BALL, tombac jacket, lead/antimony plus steel core with lead coverage |
| Bullet mass | 45.3 g / 699 gr |
| Cartridge mass | 116 g |
| Average velocity | 890 +/- 10 m/s at 25 m (V25) |
| Primer | large rifle 12.7, non-corrosive, non-mercuric, boxer |
| Propellant | double base powder |
| Temperature interval | -54 to +52 deg C |
| Packaging | 120 rds in M2A1 box, 17 kg |
All data provided for information purposes; final specification is defined per contract.