X6B
12.7 x 99 mm API X6B, steel case
Steel case armour piercing incendiary cartridge with hardened steel core X6B bullet, silver painted tip.
Also written: .50, .50 BMG, .50 Browning, 12,7x99, 12.7 x 99, 12.7X99, 12.7x99, 127x99
Specification
| Bullet mass | 45 g (X6B, tip painted silver) |
|---|---|
| Bullet construction | brass (CuZn10) plated steel jacket, hardened steel core, incendiary composition |
| Case material | steel, lacquered brown |
| Medium velocity | 886 +/- 9 m/s at 24 m (V24) |
| Average max pressure | max. 379 MPa |
| Individual max pressure | max. 395 MPa |
| Accuracy | R50 max. 19 cm at 300 m |
| Armour piercing capacity | min. 90 percent through 20 mm armour at 100 m |
| Incendiary capacity | min. 80 percent on gasoline behind 15 mm armour at 70 m |
| Hazard classification | 1.4G; N.E.Q. 16 g; TNT equivalent 2 g |
| Packaging | 85 rds per UN certified steel box; 105 boxes per pallet (8840 rds), gross 1146 kg |
All data provided for information purposes; final specification is defined per contract. Full technical data sheets are issued on request against a stated end-user.