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12,7mm cartridge wiht armour-piercing incendiary bullet Б-32
| Index | 57-БЗ-542 |
| Case material / Jacket material | Brassl / Bimetal |
| Average bullet velocity V25, m/s | 810-825 |
| The maximum powder gass pressure Pav, Average/Maximum, kg/sm2 | 3100/3400 |
| Bullet mass, g | 49,00 |
| Cartridge mass, g | 137,00 |
| Accurancy R50 at distance 300m*, sm | 18* |
| The quantity at cartridges in box, pcs | 160 |
| Finction | Intended for effective opponent"s living force destruction,
vulnerable and low-flying technique |
| Special bullets functions | Armour-piercing bullet effect on a 20-mm armour plate located at 100-m distance - not less than 90%. Incendiary bullet effect on petrol, situated behind a 15-mm armour plate at 70-m distance - not less than 75%. |
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