The ornamental design for a firearmrotor, as shown and described.
FIG. 1 is a perspective view of the firearm rotor.
FIG. 2 is a front elevational view of the firearm rotor.
FIG. 3 is a rear elevational view of the firearm rotor.
FIG. 4 is a left side elevational view of the firearm rotor.
FIG. 5 is a right side elevational view of the firearm rotor.
FIG. 6 is a top plan view of the firearm rotor.
FIG. 7 is a bottom plan view of the firearm rotor.
FIG. 8 is a perspective view of the firearm rotor; and,
FIG. 9 is a perspective view of the firearm rotor shown with respect to the gun barrels of a M134 minigun firearm.
No claim is made to the portions of the drawings shown in dotted lines, which are shown for environmental purposes, such as the gun barrels shown in FIG. 9.