I claim the ornamental design for a firearm training barricade assembly, as shown and described.
FIG. 1 is an exploded perspective view of a firearm training barricade assembly, showing my new design with a cover and a window covering fitted to an assembled frame, and two additional window coverings exploded away from the cover and frame;
FIG. 2 is an exploded perspective view thereof;
FIG. 3 is an exploded front elevational view thereof, the frame further shown in a dissassembled state;
FIG. 4 is an exploded rear elevational view thereof;
FIG. 5 is an exploded right-side elevational view thereof;
FIG. 6 is an exploded left-side elevational view thereof;