40 mm incendiary underbarrel grenade round
A 40 mm round with an incendiary projectile intended for setting fire to easily inflammable materials and for wounding personnel, its fragments of incendiary mixture acting at distances up to 5 m, fired from the 40 mm GP-25 under-barrel grenade launcher fitted to AK-pattern rifles (AK-74, AKS-74, AKM, AK-101) and to M21 rifles, directly from 50 to 400 m and indirectly on a curved trajectory from 200 to 350 m.
Also written: 40
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Specification
| Caliber | 40 mm |
|---|---|
| Round mass | 260 g |
| Round length | 105 mm |
| Mass of mixture | 80 g |
| Muzzle velocity | 76.5 m/s |
| Mass of the powder charge | 0.6 g |
| Max. pressure of powder gases | 900 bar |
| Vertical target accuracy at 150 m | per height Vvt < 0.5 m, per direction Vpt < 0.5 m |
| Max. range | 400 m |
| Accuracy at max range | per distance Vdt < 14 m, per direction Vpt < 7 m |
| Fuze | UT, M02 SP |
| Muzzle safety | min. 15 m |
| Safe activation distance | 50 m |
| Burning time of self-destructing device | 15 s |
| Temperature range | -53 C to +71 C |
| Packing | bullet in hermetically sealed plastic container, 40 containers in a wooden box |
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.