             | 
7,62mm rifle cartridge with armour-piercing tracing bullet БТ
| Index | 7БТ1 |
| Case material / Jacket material | Bimetal / Bimetal |
| Average bullet velocity V25, m/s | 820-835 |
| The maximum powder gass pressure Pav, Average/Maximum, kg/sm2 | 2900/3100 |
| Bullet mass, g | 9,5 |
| Cartridge mass, g | 23,10 |
| Accurancy R50 at distance 300m*, sm | 15* |
| The quantity at cartridges in box, pcs | 880 |
| Finction | Intended for opponent"s
living force in a worm armour protection and land technique destriction,
and also for fire correction and target indication |
| Special bullets functions | Armour-piercing bullet effect on a 5-mm Ст3
steel sheet located at 500-m distance - not less than 80%. The quantily of bullets with the tracing time min 2,9 sec
- not less than 90%. |
|