Buckle-gun

Here is a unique weapon - a gun-buckle.
Such weapons have been created in the 30s of the last century in Nazi Germany.
Due to the fact that the area of ​​use buckle pistol was severely limited,
special popularity this kind of weapons has not conceived, and was released quite a few.
There are two types of buckles, guns - and dvuhstvolny chetyrehstvolnaya (7, 65 and 5, respectively, 6-gauge).
When pressed, the upper part of the buckle is opened and immediately be shot.
In other models, after opening the buckle must still pull the trigger.