HOLSTERS WILL FIT: Sig Sauer | 4.70" BBL | With Light | P320 9/40, X-Full, X-Vtac, or M17 W/ Streamlight TLR-7, Surefire XC- 1, XC-2, Nightstick TCM 550, or Inforce APLc Holster will have full retention capability with or without a light attached