The ornamental design for a gas cylinderlockscrewwrench for M1 garand rifle, as shown and described.
FIG. 1 is a front elevational view of a gas cylinder lock screw wrench for
M1 Garand rifle embodying my new design, the rear elevational view being
identical;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a right side elevational view thereof, the left side elevational
view being identical; and,