FIG. 1 is a left front perspective view of an upper receiver for a rifle, showing my new design;
FIG. 2 is a left side elevational view, thereof;
FIG. 3 is a top plan view, thereof;
FIG. 4 is a right side elevational view, thereof;
FIG. 5 is a bottom plan view, thereof;
FIG. 6 is a front elevational view, thereof;
FIG. 7 is a rear elevational view, thereof; and,
FIG. 8 is a left front perspective view, showing the two components of the article separated and in axial alignment.
The broken line representation of the rifle and scope in FIG. 1, and the broken line representation of the mounting holes and the mounting tabs shown variously in the Drawing Figures, are included solely for illustrative purposes, forming no part of the claimed design.