The ornamental design for an ambidextrous boltcatch, as shown and described.
FIG. 1 is a top left rear perspective view of a design for an ambidextrous bolt catch;
FIG. 2 is a top left front perspective view thereof;
FIG. 3 is a bottom left front perspective view thereof;
FIG. 4 is a bottom left rear perspective thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a right side view thereof;
FIG. 8 is a front view thereof;
FIG. 9 is a top view thereof; and,
FIG. 10 is a bottom view thereof.
The figures include broken, solid and dash-dot-dash lines. The features shown in broken lines depict portions of the ambidextrous bolt catch and form no part of the claimed design. The areas within the solid lines and inside the dash-dot-dash lines form the claimed design. The dash-dot-dash lines illustrate a boundary of the claimed design and form no part thereof.