The ornamental design for an emptycartridgereceiver for a rifle, as shown and described.
FIG. 1 is a perspective view of an empty cartridge receiver for a rifle showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is left side 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 perspective view thereof; shown in use.
The broken lines consisting of a small rectangle in FIGS. 1 and 2 and applied to various surfaces of the article are understood to represent stitching and form a part of the claimed design. The broken lines showing of an M4A1 rifle is included for the purpose of illustrating environment and forms no part of the claimed design.