5.45x39mm BT gs
A 5.45x39mm BT gs (GRAU Index - 7BT4) cartridge with a 3.1 gram armor-piercing tracer bullet with a heat-strengthened steel core with a bimetallic jacket, in a steel case; intended for target designation and fire adjustment in battle (Trace color: Red). This BT bullet (Bronebóynaya Trassíruyushchaya - "Armor-piercing Tracer") it's an improved version of the used in the 5.45x39 mm T gs cartridge (GRAU Index - 7T3), since the lead core was replaced by one of heat-strengthened steel, providing automatic firearms with penetration capabilities against basic ballistic body protections as well as excellent results against intermediate models, however, due to its design, it has a significant bounce probability off various surfaces.
| Range | Velocity | Damage | Penetration Power | Drop | Time Of Flight |
|---|---|---|---|---|---|
| 50 m | 806.43 m/s | 40.25 | 40.25 | 2.08 cm | 0.07 s |
| 100 m | 731.43 m/s | 38.46 | 38.46 | -0.0 cm | 0.13 s |
| 150 m | 665.34 m/s | 36.88 | 36.88 | -6.5 cm | 0.21 s |
| 200 m | 597.41 m/s | 35.26 | 35.26 | -18.85 cm | 0.29 s |
| 250 m | 524.51 m/s | 33.52 | 33.52 | -38.32 cm | 0.38 s |
| 300 m | 454.37 m/s | 31.85 | 31.85 | -65.9 cm | 0.48 s |
| 350 m | 396.91 m/s | 30.48 | 30.48 | -106.77 cm | 0.6 s |
| 400 m | 361.27 m/s | 29.63 | 29.63 | -161.55 cm | 0.73 s |
| 450 m | 336.92 m/s | 29.05 | 29.05 | -233.91 cm | 0.87 s |
| 500 m | 318.02 m/s | 28.59 | 28.59 | -327.46 cm | 1.02 s |