FIG. 1 is a top left perspective view of a paintball marker receiver showing my new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a back elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a reduced scale distal left elevational view thereof.
The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.