When not in use, the gun can be “concealed” like in the image above, by folding it up. When you’d need to use it like, the bottom side folds out to make up the gun’s handle and reveal the ...

The Monolith 15A folding-stock carbine from Global Ordnance is loaded with features and innovations intended to improve upon the AR-15's 70-year-old design.

A German man has just finished a very impressive Paper Airplane Machine Gun, or a Papierflieger-Maschinenpistole ... planes by a series of rollers and folding edges and then launches them ...