What is claimed is the ornamental design for a pistol holster, as shown and described.
FIG. 1 is a front perspective view showing the pistol holster of Applicant's invention.
FIG. 2 is a front view of the pistol holster of Applicant's invention.
FIG. 3 is a left side view of the pistol holster of Applicant's invention.
FIG. 4 is a right side view of the pistol holster of Applicant's invention.
FIG. 5 is a top view of the pistol holster of Applicant's invention.
FIG. 6 is a bottom view of the pistol holster of Applicant's invention; and,
FIG. 7 is a back view of the pistol holster of Applicant's invention.
The dash-dot-dash lines shown in the Figures represent environmental structure and form no part of the claimed design. The dotted lines represent stitching.