TREX ARMS Raptor Holster SIG P320 4.7", X300 T/U/V, Left Hand

This holster is also compatible with the following: Sig P320 M17, Sig M17X, Sig M18, Sig M18X, Sig XFULL, Sig 3.9 Compact, Sig AXG, Sig XFIVE, Sig Spectre, Sig XCARRY with a Surefire X300 T/U/V attached.

eBay