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Streamlight ProTac Rail Mount HL-X Pro


What’s Included | Specs | Pictures | Restrictions

The HL-X Pro is Streamlight’s most recent update to the HL-X Rail Mount family. The HL-X Pro features a new momentary-only pressure pad, a new tailcap with a constant-on function and remote port, and an M-LOK scout footprint mount on top of the existing Picatinny mount. This makes the HL-X Pro plug-and-play out of the box for most rifles. On top of all that, the HL-X line also got a performance increase, now with over 50,000 candela at the same 1000-lumen output as the old HL-X. As far as budget lights are concerned, the HL-X is a strong contender and punches far above its price range.


  • Streamlight HL-X Pro Light
  • Tape Switch
  • Offset M-LOK Mount
  • 2x CR123 Batteries
  • 4x Zip ties
  • Dual Sided Adhesive
  • Picatinny Tape Switch Mounts
  • Allen Keys
  • Hardware

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  • Multi-Fuel: Uses one (1) Streamlight SL-B26 (18650) protected Li-Ion USB rechargeable battery pack; also accepts two (2) CR123A lithium batteries
  • Utilizes existing SureFire Scout footprint mounts
  • Compatible with legacy HL-X tailcaps as well as adapters
  • Length: 5.43 in. (13.79 cm)
  • Weight: 6.6 oz (187 g) – 7.2 oz (204 g)
  • TEN-TAP® programming allows for the selection of three different operating programs:
    • 1) High/Strobe 
    • 2) High Only 
    • 3) Low/High


Beam Distance447m111m
CR123 Run Time1.25 hours21 hours2.5 hours
SL-B26 Run Time1.75 hours24 hours3.5 hours


Made in China.

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This product contains lithium and cannot be shipped outside of the contiguous 48 United States.

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