The ornamental design for a foregrip, as shown and described.
FIG. 1 shows a left elevation view of a foregrip shown within a broken line environment of use forming no part of the claimed design.
FIG. 2 shows a left elevation view of the foregrip.
FIG. 3 shows a right elevation view of the foregrip.
FIG. 4 shows a top plan view of the foregrip.
FIG. 5 shows a bottom plan view of the foregrip.
FIG. 6 shows a perspective view of the foregrip.
FIG. 7 shows a perspective view of the foregrip.
FIG. 8 shows a rear elevation view of the foregrip.
FIG. 9 shows a front elevation view of the foregrip; and,
FIG. 10 shows a partial perspective view of a detail identified by the callout in FIG. 2.
The smaller broken lines show boundaries of the claimed design and form no part thereof. The larger broken lines showing portions of the foregrip are included to illustrate portions of the article and form no part of the claimed design.