The ornamental design for a projectilecontainer, as shown and described.
FIG. 1 is a perspective view showing a projectile container embodying the new design;
FIG. 2 is a front plan view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view showing an alternate position of the projectile container design.
The broken lines in the drawing views are included for the purpose of illustrating portions of the projectile container that form no part of the claimed design. The dot-dash broken line in FIG. 7 depicts a boundary that forms no part of the claimed design.