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The Vault

Benelli CB-M2 Caseless SMG

The Benelli CB-M2 was a submachine gun designed in the early 1980s around an experimental semi-caseless 9mm cartridge developed by Franchi. The gun itself looks fairly typical, with conventional controls, a bottom-mounted magazine, and polymer folding stock. The one external hint of its unusual nature is an open cutout located between the magazine and trigger [...]

Caseless ammunition demo action

The US Army (as well as other armed forces) has experimented with a bunch of interesting arms design ideas, and one that keeps coming back to the surface is the use of caseless ammunition. The basic idea is to form gunpowder into a solid block and embed a primer and projectile into it. This offers [...]