The Streamlight ProTac 2.0 Rail Mount Weapon Light is a high-output rifle weapon light system for tactical, duty and defensive use. It delivers 2000 lumens and 17,700 candela in a balanced beam — broad spill with a concentrated hotspot — for close-quarters work and mid-range target ID (266 m).
Powered by Streamlight's SL-B50 USB-C rechargeable battery pack, the 89009 system ships complete with a straight momentary remote pressure switch plus an M-LOK mount and mounting hardware, with TEN-TAP programmable operation and tailcap or remote activation. The light body mounts directly to MIL-STD-1913 (Picatinny) rails. Type II MIL-spec anodised aluminium, IP67-rated.
How It Compares
Need a handheld instead? See the ProTac 2.0 handheld. Browse all weapon lights, the wider tactical lighting range, and our best weapon lights guide.
Ideal For
- Rifle and carbine platforms
- Tactical and defensive long-gun setups
- Duty and professional use
Key Features
- 2000 lm / 17,700 cd; balanced flood + hotspot (266 m)
- SL-B50 USB-C rechargeable battery pack
- Straight momentary remote pressure switch included; tailcap activation
- TEN-TAP programmable operation
- Direct Picatinny fit plus M-LOK mount; anodised aluminium, IP67
Technical Specifications
| Output |
2000 (high) / 250 (low) lumens |
| Peak Beam Intensity |
17,700 (high) / 2,150 (low) candela |
| Beam Distance |
266 m (high) / 93 m (low) |
| Runtime |
2.5 h high / 11 h low (strobe 4.5 h) |
| Battery |
SL-B50 USB-C rechargeable Li-Ion pack (1, included) |
| Mount |
MIL-STD-1913 (Picatinny) direct fit; M-LOK mount included |
| Activation |
Tailcap + remote pressure switch |
| Waterproof |
IP67 — dust-tight and waterproof to 1 metre for 30 minutes (IPX4 with the remote switch plugged in) |
| Length / Weight |
6.30 in (16.0 cm) / 9.06 oz (257 g) |
| SKU / MPN / UPC |
89009 / 89009 / 080926890091 |
| Warranty |
Streamlight Limited Lifetime |
What's Included
- Streamlight ProTac 2.0 Rail Mount weapon light
- SL-B50 battery pack, straight momentary pressure switch, M-LOK mount, mounting hardware, USB-C cord, manual
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
Rail mount or handheld?
This is the rifle-mounted system (89009) with a remote switch and mounting hardware; the handheld ProTac 2.0 (89000) is a standalone torch.
How is it charged?
Via USB-C on the SL-B50 rechargeable pack.
What rails does it fit?
It mounts directly to MIL-STD-1913 (Picatinny) rails, and an M-LOK mount is supplied in the box.
