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| Range | 50m |
|---|---|
| Penetrates | up to 50mm steel |
| Temperature range | -35°C to +50°C |

Inert 81mm training mortar
| Inert projectile 81 mm steel body | |
|---|---|
| Replaceable steel fin assembly | |
| Threaded fuze well for M-29 practice fuze | |
| Accepts M-21 training propellant cartridge (120 grain) | |
| Projectile body reusable min 500 cycles | |
| Fin assembly reusable average 100 cycles (sand, gravel) | |
| Mass 3.6 kg (w/o fuze and propellant charge) | |
| Length 313 mm (w/o fuze) | |
| Six projectiles in wooden transportation box |