The Streamlight ProTac Rail Mount 1L-X USB Pro is the top-spec compact SBR/carbine weapon light — its Jack-Cap tailcap runs push-button and remote pressure switch with full redundancy, and the included SL-B9 USB pack unlocks the full 850 lumens and 30,000 candela (346m).
This 89025 package includes the momentary pressure switch, M-LOK kit, hardware kit and Allen wrench. TEN-TAP programming, 6000-series black anodised aluminium, BOROFLOAT lens, IP67 with push-button (IP54 with remote fitted). 4.64in.
How It Compares
Don't need the remote? The 1L-X USB (89027) or CR123A 1L-X (89026). Full-size 50,000 cd? The ProTac HL-X Pro. Browse all weapon lights.
Ideal For
- SBRs, carbines and submachine guns
- Remote pressure-switch setups
- Duty builds needing switch redundancy
Key Features
- 850 lm / 30,000 cd / 346 m (SL-B9 included); 500 lm / 18,000 cd / 268 m (CR123A)
- 100 lm / 3,400 cd / 117 m low
- Jack-Cap: push-button + remote, independently redundant
- Momentary pressure switch, M-LOK kit & hardware included
- TEN-TAP programmable; IP67/IP54
Technical Specifications
| Output (SL-B9) |
850 lm / 30,000 cd / 346 m (0.5 h); 100 lm / 3,400 cd / 117 m low (4.5 h) |
| Output (CR123A) |
500 lm / 18,000 cd / 268 m (1.75 h); 100 lm low (6.5 h) |
| Strobe Runtime |
1.25 h (SL-B9) / 2.5 h (CR123A) |
| Battery |
1× SL-B9 USB rechargeable (included) or 1× CR123A |
| Activation |
Jack-Cap: push-button + remote momentary pressure switch |
| Mount |
MIL-STD-1913 Picatinny + M-LOK kit |
| Length / Weight |
4.64 in (11.79 cm) / 5.5–5.6 oz depending on battery |
| Construction |
6000-series aircraft aluminium, black anodised; BOROFLOAT lens |
| Durability |
IP67 with push-button; IP54 with remote switch |
| SKU / MPN / UPC |
89025 / 89025 / 080926890251 |
| Warranty |
Streamlight Limited Lifetime |
What's Included
- ProTac Rail Mount 1L-X USB Pro weapon light
- Jack-Cap, momentary pressure switch, M-LOK kit, hardware kit, 2.5mm Allen wrench, SL-B9 battery pack, USB cord
UK Delivery & Support
UK-stocked and dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based support and Streamlight's limited lifetime warranty.
Frequently Asked Questions
What is the Jack-Cap?
A tailcap that accepts both push-button and remote pressure-switch operation, each working independently for redundancy.
Pro or standard 1L-X?
The Pro adds the Jack-Cap and includes the momentary remote switch; the standard uses a simple tail switch only.
How does it charge?
The included SL-B9 pack charges via USB using the supplied cord.
