Abstract: An ammunition magazine for automatic and semi-automatic weapons, in particular for AK47s, AK 74, AR-15, M-16, with gauges 7,62×39; 5,45×39 and 5,56×45, which can be used in the military industry. The magazine makes it possible to fit up to 100 pieces ammunition of four lines, providing a work without a hitch. The object of the invention is solved by two concentric ribs of the adjacent walls on the front and rear wall inside of the housing, arranged in the same plane, which serve as guides and which move a two-step telescopic feeder mechanism. On the backside of the feeder mechanism, his both parts are provided with arched surfaces comprising grooves and ribs, which are concentric with the rear wall, carrying out the leading of the feeder mechanism. The magazine contains a housing (1), having a front and a rear wall (2) and (3), on the inner sides of which are ribs (4) and (5).