Artillery firing mechanism

Axially adjustable gun barrel base ring

Base and obturating ring arrangement

Blocking device for the breechblock in a gun

Breech closure for a barrel-type firearm

Breech mechanism with a mushroom head packing

Breech mechanisms

Breechblock sealing for large-caliber barreled weapons

Cartridge receiving drum construction for gas-tight closure betw

Cylinder mortar

Device to seal the cartridge chamber on hand weapons

Drum seal for primer feed mechanism

Gas ring for firearm

Leak detector for seal ring of gun breech mechanism

Mechanical initiating system for caseless ammunition

Mechanical initiating system for caseless ammunition

Obturator for a gun

Obturator ring for a cannon

Obturator sealing means for a split wedge/breechblock gun

Obturator system