Firearm Magazine Holder

FIG. 1 is an isometric view of a firearm magazine holder showing my new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a right side elevation view thereof, with the opposite side being a mirror of that shown.

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines showing a flat panel depict environmental subject matter that forms no part of the claimed design. The remaining broken lines depict portions of the firearm magazine holder that form no part of the claimed design.