HOLSTERS WILL FIT: Smith & Wesson | 4.60" BBL | With Light | M&P 45 with or without thumb safety with ITI M3, Inforce APL, Olight PL-Pro or Valkyrie, Nightstick TWM-350, TWM-350S, TWM-850, TWM- 850S, TLR-1, TLR-1HL, Surefire X200, X300, X300U, or Insight XTI Procyon lights