X60
12.7x99 mm ball cartridge with steel case, bullet X60
A .50 (12.7 x 99 mm) cartridge with a lacquered steel case and a 45 g mild steel cored ball bullet X60, for use in all .50 calibre machine guns.
Pia huandikwa: 12.7x99
Onyesha 12.7x99 mm ball cartridge with steel case, bullet X60, mwonekano wa 1 kati ya 2Onyesha 12.7x99 mm ball cartridge with steel case, bullet X60, original technical cutaway
Panua 12.7x99 mm ball cartridge with steel case, bullet X60Panua 12.7x99 mm ball cartridge with steel case, bullet X60, original technical cutaway
Vipimo
| Calibre | .50 (12.7 x 99 mm) |
|---|---|
| Bullet | X60, 45 g, tip painted red |
| Bullet construction | Brass (CuZn10) plated steel jacket, mild steel core, inert composition |
| Cartridge case | Steel, lacquered in brown colour |
| Primer | Boxer type, non-corrosive |
| Propellant | Single or double base type |
| Medium velocity of bullet at 24 m | V24 = 886 m/s ± 9 m/s |
| Average max. pressure | Pmed.max ≤ 379 MPa |
| Individual max. pressure | Pmax.max ≤ 395 MPa |
| Accuracy | R50 ≤ 19 cm at 300 m; pooled mean of vertical and horizontal standard deviations of 90 rounds ≤ 300 mm at 550 m |
| Packing | 85 cartridges per UN certified steel ammunition box; 105 (104+1) steel boxes per wooden pallet |
| Cartridges per pallet | 8840 rds |
| Pallet dimensions (L×l×h) | 1130 x 885 x 850 mm |
| Net / gross pallet weight | 1011 / 1146 kg |
| Hazard class | 1.4C |
| N.E.Q. | 15 g |
| TNT equivalent | 1.9 g |
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