The ornamental design for a portablemountingstand for ammunition handloading press, as shown and described.
FIG. 1 is a left front perspective view of a portable mounting stand for
ammunition handloading press showing my new design;
FIG. 2 is an enlarged, front elevational view thereof, showing in broken
lines, for illustrative purposes only and forming no part of the claimed
design, the manner in which a reloading press is mountable on the design;
and
FIG. 3 is an enlarged, perspective view as seen looking upwardly from the
right rear in FIG. 1.