The Japanesemortar appears to have a shallow rifling for the Bourrelet to engage? That would be why no tailfin assembly... They're actually a grenade launcher apparently. Type 89 grenade discharger...
The Japanesemortar appears to have a shallow rifling for the Bourrelet to engage? That would be why no tailfin assembly... They're actually a grenade launcher apparently. Type 89 grenade discharger...
Regards, Jim