The SIG SAUER Grip Module Assy, 320 X-Series, 9/40/357, Compact, Black, Medium, MODX-C-943-M-BLK Color: Black, Fabric/Material: Polymer, Gun Make: SIG Sauer, Gun Model: SIG Sauer P250, SIG Sauer P320, SIG Sauer P320 X-Compact, Size: Medium, Included Accessories: Grip Module, Gun Frame Size: Compact.