The Vault

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 [...]

EX-17 Heligun

I’m sure you’re all familiar with the M-134 Minigun that was used in Vietnam on aircraft – a 7.62 NATO rotary gun with a 3000RPM rate of fire. But have you seen its competitor, the EX-17 Heligun?

The Heligun was developed by Hughes Aircraft as part of a complete package for the OV-6 recon [...]