Firearm Barrel Supported Accessory Mount

FIG. 1 is a perspective view of a firearm barrel supported accessory mount incorporating my new design according to one embodiment viewed from in front of, above, and a right side thereof; FIG. 2 is a right side elevation view thereof; FIG. 3 is a left side elevation view thereof; FIG. 4 is a top plan view thereof; FIG. 5 is a bottom plan view thereof; FIG. 6 is a front elevation view thereof; and FIG. 7 is a rear elevation view thereof; FIG. 8 is a perspective view of a firearm barrel supported accessory mount incorporating my new design according to another embodiment viewed from in front of, above, and a left side thereof; FIG. 9 is a left side elevation view thereof; FIG. 10 is a right side elevation view thereof; FIG. 11 is a top plan view thereof; FIG. 12 is a bottom plan view thereof; FIG. 13 is a front elevation view thereof; and, FIG. 14 is a rear elevation view thereof. The uniformly broken lines shown in the figures represent portions of the firearm barrel supported accessory mount and environment that form no part of the claimed design. The dot-dashed broken lines shown immediately adjacent the shaded areas represent boundaries to the claimed design and forms no part of the claimed design.