The ornamental design for a clamp for firearm accessory mount, as shown and described.
FIG. 1 is an isometric view of a clamp for firearm accessory mount in accordance with the present disclosure;
FIG. 2 is a further isometric view of the clamp for firearm accessory mount of FIG. 1;
FIG. 3 is yet a further isometric view of the clamp for firearm accessory mount of FIG. 1;
FIG. 4 is a top view of the clamp for firearm accessory mount of FIG. 1;
FIG. 5 is a right side elevation view of the clamp for firearm accessory mount of FIG. 1;
FIG. 6 is a left side elevation view of the clamp for firearm accessory mount of FIG. 1;
FIG. 7 is a front elevation view of the clamp for firearm accessory mount of FIG. 1;
FIG. 8 is a rear elevation view of the clamp for firearm accessory mount of FIG. 1; and,
FIG. 9 is a bottom view of the clamp for firearm accessory mount of FIG. 1.
The broken lines in the Figures depict portions of the clamp for firearm accessory mount that form no part of the claimed design. The dot-dash broken lines in the Figures depict boundary areas of the clamp for firearm accessory mount that form no part of the claimed design.