The Streamlight TLR-3X USB, part 59103, is a compact rail-mounted pistol light built for the 1913 Slim rail and supplied with an SL-B9 USB-C rechargeable battery pack.
This is the rechargeable package of the TLR-3X, and it is cut for the narrower 1913 Slim rail rather than the standard one — the fitment is the first thing to check, not the last.
It produces 500 lumens and 6,500 candela for a 161 metre beam from a body 2.75 in long weighing around 2.25 oz, rated IPX7 for a metre of immersion for thirty minutes. Ambidextrous paddles work it from either side. The SL-B9 pack charges over USB-C in about two and a half hours, in or out of the light, and the light is multi-fuel, so a CR123A lithium primary can be dropped in instead.
Runtime is one hour on the SL-B9 pack or an hour and a half on a CR123A cell, so the rechargeable pack buys convenience rather than endurance. Streamlight's fact sheet gives the 1913 Slim fitment as covering the Glock 43X/48 MOS, the Glock 43X/48 Rail, and the FN Reflex and Reflex XL. One thing that is not in the box: Streamlight sells the USB-C charging cord as an optional accessory, so use a cable you already own or order one alongside.
Why shooters choose the TLR-3X USB
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Output — 500 lumens, 6,500 candela, 161 metres of beam
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Runtime — 1 hour on the SL-B9 pack, 1.5 hours on a CR123A cell
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Power — SL-B9 USB-C rechargeable pack included, charging in about 2.5 hours in or out of the light
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Fitment — 1913 Slim rail, including the Glock 43X/48 MOS and Rail and the FN Reflex and Reflex XL
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Switching — ambidextrous paddles
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Size — 2.75 in long, around 2.25 oz, rated IPX7
What the TLR-3X USB fits
It is cut for the 1913 Slim rail found on slim-frame pistols, so check the rail on yours before ordering. The same light for a standard 1913 rail is the TLR-3X USB 1913, the version supplied with a CR123A cell instead of the pack is the TLR-3X 1913 Slim, and other rechargeable options sit in rechargeable weapon lights.
Specifications
| Output |
500 lumens / 6,500 candela / 161 m |
| Runtime |
1 hour (SL-B9) / 1.5 hours (CR123A) |
| Battery |
SL-B9 USB-C rechargeable pack included, or one CR123A lithium cell |
| Charging |
USB-C, about 2.5 hours, in or out of the light; cord sold separately |
| Fits |
1913 Slim rails |
| Switching |
Ambidextrous paddles |
| Length |
2.75 in |
| Weight |
Around 2.25 oz |
| Sealing |
IPX7 |
| MPN |
59103 |
Rechargeable output on a slim frame, provided the rail matches. Order the TLR-3X USB today — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.
Explore more: Rechargeable Weapon Lights, TLR-3X USB 1913 Rail or browse all Streamlight
