The Streamlight ProTac Rail Mount HL-X Long Gun Light is made in the United States.
I would recommend contacting the manufacture.
You would need to use an M-LOK to picatinny rail adapter. I would recommend the 5 or 7-slot TRYBE Defense Magnite M-LOK Picatinny Rail Sections, found by using the link below:
https://www.opticsplanet.com/trybe-defense-magnite-m-lok-picatinny-rail-section-3-slots.html?_iv_additional-features=5-slots,7-slots
It will work with any high quality 18650 battery. This is one of the best options sub $200 and one of our most popular options as well.
Needs to be extended (button top), flats won't hit the battery contact.
No, this is not compatible with the Surefire switches.
Yes, it is included.
Yes, the Streamlight ProTac Rail Mount HL-X Long Gun Light can be purchased with 2x CR123A batteries (MPN:88066) or with 1x rechargeable 18650 battery and charging cable (MPN:88071).
The pressure switch should work for the non rail mount model of the Streamlight HL-X.
Please email us at techsales@opticsplanet.com regarding your question.