HOLSTERS WILL FIT: Sig Sauer | 3.50" BBL | With Light | Sig Pro P2022 with Inforce APL, Olight PL-Pro or Valkyrie, Nightstick TWM-350, TWM-350S, TWM-850, TWM-850S, Insight Technology M3, M6 or M3 LED Tactical Illuminator light, ITI SSL-1, Streamlight TLR-1, TLR-1HL, TLR-2, or Insight XTI Procyon. NOTE: Retention is reduced by removal of light