These operate like a TLR-1 and will work with the same holsters. LAPG usually offers a discount code if you sign up for their text alerts as well.
https://lapolicegear.com/lapg-fl-xwl01-sliderail-xwl-light.html?trk_msg=D7PD4A069ODKR4SVL043NP64S0&trk_contact=0BKVNEUKKKR3CIEL1M36KC7DC8&trk_sid=5453MTNM0SV0QD1BB5KQ5FRM7O&utm_source=Listrak&utm_medium=Email&utm_term=https://lapolicegear.com/lapg-fl-xwl01-sliderail-xwl-light.html&utm_campaign=LAPG+Weaponlight+BACK+in+stock
https://lapolicegear.com/lapg-fl-xwl01-sliderail-xwl-light.html?trk_msg=D7PD4A069ODKR4SVL043NP64S0&trk_contact=0BKVNEUKKKR3CIEL1M36KC7DC8&trk_sid=5453MTNM0SV0QD1BB5KQ5FRM7O&utm_source=Listrak&utm_medium=Email&utm_term=https://lapolicegear.com/lapg-fl-xwl01-sliderail-xwl-light.html&utm_campaign=LAPG+Weaponlight+BACK+in+stock