HOLSTERS WILL FIT: Sig Sauer | 5.00" BBL | With Light | 1911 GSR w/ ITI M3, M6, Inforce APL, Olight PL-Pro or Valkyrie, Nightstick TWM-350, TWM-350S, TWM-850, TWM-850S, Streamlight TLR-1, TLR-1HL, TLR-2, Surefire X200, X300, X300U, SSL-1 or Insight XTI Procyon. NOTE: Retention is reduced by removal of light