Magazines for feeding ammunition to automatic weapons are limited in the number of rounds they can hold…mostly due to the Physics of the springs which advance the bullets towards the breech.
Today’s invention is to replace this spring with a piston, as shown in yellow (with apologies to readers who hate guns).
Several magazines could be joined to provide a large reservoir of ammunition, powered by a single piston.
This would be driven, in turn, either by a pre-pressurised pocket of gas inserted in the armoury or by the same recoil mechanism which chambers each new round.
Gas from each discharge would pass into the pocket via the pipe indicated in red.
