Firearm Lower Receiver

FIG. 1 is a top rear left isometric view of a first version of a firearm lower receiver showing the new design;

FIG. 2 is a bottom front left isometric view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top rear right isometric view thereof;

FIG. 5 is a bottom front right isometric view thereof; and

FIG. 6 is a right side view thereof.

FIG. 7 is a top rear left isometric view of a second version of a firearm lower receiver showing the new design;

FIG. 8 is a bottom front left isometric view thereof;

FIG. 9 is a left side view thereof;

FIG. 10 is a top rear right isometric view thereof;

FIG. 11 is a bottom front right isometric view thereof; and,

FIG. 12 is a right side view thereof.

The broken lines and the areas within the broken lines depict portions of the firearm lower receiver that forms no part of the claimed design.