Firearm extension plug

Description

FIG. 1 is a first perspective view of the firearm extension plug according to the present design;

FIG. 2 is a second rotated and inverted perspective view of FIG. 1;

FIG. 3 is a front plan view of the present design;

FIG. 4 is a rear plan view of the present design;

FIG. 5 is a right side view of the present design;

FIG. 6 is a left side view of the present design;

FIG. 7 is top view of the present design; and,

FIG. 8 is a bottom view of the present design.

Claims

The ornamental design for a firearm extension plug, as shown and described.