The ornamental design for a combinationfirearmsight and accessory mount rail, as shown and described.
FIG. 1 rear upper right side perspective view of a combination firearm sight and accessory mount rail according to the present invention;
FIG. 2 is a rear side elevation view of the combination firearm sight and accessory mount rail shown in FIG. 1;
FIG. 3 is a front side elevation view of the combination firearm sight and accessory mount rail shown in FIG. 1;
FIG. 4 is a right side elevation view of the combination firearm sight and accessory mount rail shown in FIG. 1;
FIG. 5 is a left side elevation view of the combination firearm sight and accessory mount rail shown in FIG. 1;
FIG. 6 is a top plan view of the combination firearm sight and accessory mount rail shown in FIG. 1; and,
FIG. 7 is a bottom plan view of the combination firearm sight and accessory mount rail shown in FIG. 1.
The broken lines are for illustrative purposes and depict portions of the combination firearm sight and accessory mount rail that form no part of the claimed design.