The ornamental design for a magnetic levelgauge for ammunition in firearms, as shown and described.
FIG. 1 is a perspective view of a magnetic level gauge for ammunition in firearms;
FIG. 2 is a top view of the magnetic level gauge of FIG. 1;
FIG. 3 is a front view of the magnetic level gauge of FIG. 1;
FIG. 4 is a first side view of the magnetic level gauge of FIG. 1;
FIG. 5 is a back view of the magnetic level gauge of FIG. 1;
FIG. 6 is a second side view, opposite the first side view, of the magnetic level gauge of FIG. 1; and,
FIG. 7 is a bottom view of the magnetic level gauge of FIG. 1.
The broken lines in FIGS. 1, 4, 5, 6 and 7 are included for the purpose of illustrating a portion of the claimed design that forms no part of the claimed design.