Primer cartridge magazine for a wedge-type breech block

In a gun having a wedge-type breech mechanism and a reciprocally movable slider, a primer cartridge magazine operatively movable in said slider, said primer magazine comprising in combination,

• biasing means operatively mounted in said magazine for biasing a stack of primer cartridges stored therein;
• said magazine has a pair of opposite parallel walls on which a stock primer cartridge indicia means is rotatably mounted;
• a guide member is slidably movably mounted in said magazine between said pair of opposite parallel walls and is urged by said biasing means against said stack of primer cartridges;
• a tension band has one of its ends connected to said guide member and the other end connected to said stock primer cartridge indicia means;
• first releasable locking means operatively mounted in said magazine so as to selectively move between a locking first position and a second releasing position, said first locking means automatically releasing said stock primer cartridge indicia means when being disposed in said second position and automatically locking said stock primer cartridge indicia means when being disposed in said first position, said first locking means assuming said second position when said magazine is in assembled state in said slider;
• whereby the stock of primer cartridges is continuously indicated in said magazine;
• said biasing means including second releasable locking means for deactivating the biasing during loading of primer cartridges into said magazine;
• said stock primer cartridge indicia means including a stop for preventing an overloading of said stock primer cartridge indicia means.