A magazine for small arms comprising: a box having a tube of rectangular section, in the top of which having feed projections for retention of ammunition, a projection on one of a pair of narrow side walls of the box for fixing the magazine to a weapon, a bottom lid having an opening in the middle, a magazine follower formed by a plate with a middle part, a long bent end and a short bent end, the magazine follower having a rectangular opening in the center of the middle part of the follower, and a cylindrical protrusion arranged on the top of the middle part of the follower, a coil spring, an ammunition stream separator placed in the opening of the follower, the ammunition stream separator being located inside the coil spring, characterized by grooves made additionally along a pair of wide outer side walls of the box of the magazine, a ground surface of these grooves made on the inner surfaces facing the ammunition, a triangular ledge made on the external surface of the lower part of the box of the magazine, plate inserts rigidly fixed to the wide side walls of the upper part of the magazine box, the feed projections, polished sections and conical sections being formed on the plate inserts, where the feed projections on the plate inserts are configured at an angle which correlates to an angle of inclination of the handle of the weapon, where the angle of inclination of the handle is measured with respect to the vertical axis of the weapon; grooves being made on an outer surface of the long bent end and the short bent end of the magazine follower, projections for retaining the follower in the box of the magazine located at the bottom of the long bent end and the short bent end of the magazine follower, a tube of rectangular section being located at the middle of the bottom of the middle part of the magazine follower; the stream separator being a long plate provided with an elongated through-groove, wherein each side surface of the long plate facing ammunition comprises two sliding sections separated by the through-groove, and the upper part of said plate is made with a pointed end, where a disk with a rectangular through hole is installed between the follower and the coil spring, the disk being pressed by the upper end of the coil spring against the follower, the upper surface of the disk being inclined at an angle which correlates to an angle of inclination of the handle of the weapon. a projection on one of a pair of narrow side walls of the box for fixing the magazine to a weapon, a bottom lid having an opening in the middle, a magazine follower formed by a plate with a middle part, a long bent end and a short bent end, the magazine follower having a rectangular opening in the center of the middle part of the follower, and a cylindrical protrusion arranged on the top of the middle part of the follower, a coil spring, an ammunition stream separator placed in the opening of the follower, the ammunition stream separator being located inside the coil spring, characterized by grooves made additionally along a pair of wide outer side walls of the box of the magazine, a ground surface of these grooves made on the inner surfaces facing the ammunition, a triangular ledge made on the external surface of the lower part of the box of the magazine, plate inserts rigidly fixed to the wide side walls of the upper part of the magazine box, the feed projections, polished sections and conical sections being formed on the plate inserts, where the feed projections on the plate inserts are configured at an angle which correlates to an angle of inclination of the handle of the weapon, where the angle of inclination of the handle is measured with respect to the vertical axis of the weapon; grooves being made on an outer surface of the long bent end and the short bent end of the magazine follower, projections for retaining the follower in the box of the magazine located at the bottom of the long bent end and the short bent end of the magazine follower, a tube of rectangular section being located at the middle of the bottom of the middle part of the magazine follower; the stream separator being a long plate provided with an elongated through-groove, wherein each side surface of the long plate facing ammunition comprises two sliding sections separated by the through-groove, and the upper part of said plate is made with a pointed end, where a disk with a rectangular through hole is installed between the follower and the coil spring, the disk being pressed by the upper end of the coil spring against the follower, the upper surface of the disk being inclined at an angle which correlates to an angle of inclination of the handle of the weapon.