HOLSTERS WILL FIT: Walther | 4.00" BBL | With With Light | P99Q/PPQ M1 and M2 9mm only (2008 & newer) with Inforce APL, Olight PL-Pro or Valkyrie, Nightstick TWM-350, TWM- 350S, TWM-850, TWM-850S, ITI M3, TLR-1, TLR-1HL, Surefire X200, X300, X300U or Insight XTI Procyon lights