rifle grenade
A specialized type of grenade that uses a rifle-based launcher rather than being thrown by hand. Some of them look similar to mortar shells. Rifle grenades are attached onto the muzzle, and propelled by a blank cartridge inserted into the chamber of the gun.
Modern use of rifle grenades has been widely phased out in favour of underbarrel grenade launchers.

Pixiv
Twitter
Bluesky
Weibo
Lofter
Tumblr