$139.99 $70.00

The Streamlight ProTac Rail Mount 1L-X USB (SKU 89027) is a compact rail-mounted rifle light supplied with the SL-B9 USB rechargeable battery pack and cord, so it runs at its full 850 lumens output and 30,000 candela peak beam intensity for a 346 metre beam straight out of the box. A CR123A lithium cell works as a backup fuel source at 500 lumens.

It uses a simple push-button tail switch, has TEN-TAP programmable mode order, and mounts to MIL-STD-1913 Picatinny rails with an M-LOK mount included. The body is 6000-series black anodised aircraft aluminium, rated IP67 with the tail switch fitted, and measures 4.64 inches.

How It Compares

The same light supplied with a CR123A instead of the rechargeable pack is the Streamlight ProTac Rail Mount 1L-X rifle weapon light. If you need remote pressure-switch capability, the Streamlight ProTac Rail Mount 1L-X USB Pro rifle weapon light adds the Jack-Cap tail cap. Browse all rechargeable rifle and pistol lights, or compare figures in our lumens vs candela chart.

Ideal For

  • Night fox and vermin control where a compact rifle light suits a short handguard
  • Civilian Service Rifle, straight-pull and 3-Gun carbines used often enough to justify recharging
  • Airsoft and training builds wanting a clean tail-switch setup
  • Farm and yard work on a carbine or shotgun

Key Features

  • 850 lumens output and 30,000 candela peak beam intensity; 346 metre beam
  • SL-B9 USB rechargeable pack and cord included
  • 500 lumens and 18,000 candela on a CR123A cell as backup fuel
  • 100 lumen low with 3,400 candela and a 117 metre beam
  • Push-button tail switch; TEN-TAP programmable mode order
  • Picatinny fit with M-LOK mount included; IP67 with tail switch

Technical Specifications

Output (SL-B9) 850 lumens / 30,000 candela / 346 m (0.5 h); 100 lumens / 3,400 candela / 117 m low (4.5 h)
Output (CR123A) 500 lumens / 18,000 candela / 268 m (1.75 h); 100 lumens low (6.5 h)
Strobe Runtime 1.25 h on SL-B9 / 2.5 h on CR123A
Battery One SL-B9 USB rechargeable pack (included) or one CR123A lithium cell
Activation Push-button tail switch
Mount MIL-STD-1913 Picatinny; M-LOK mount included
Length / Weight 4.64 in (11.79 cm) / 5.22 oz with SL-B9, 5.12 oz with CR123A
Construction 6000-series machined aircr

SKU:OY0000177151 Category:

The Streamlight ProTac Rail Mount 1L-X USB (SKU 89027) is a compact rail-mounted rifle light supplied with the SL-B9 USB rechargeable battery pack and cord, so it runs at its full 850 lumens output and 30,000 candela peak beam intensity for a 346 metre beam straight out of the box. A CR123A lithium cell works as a backup fuel source at 500 lumens.

It uses a simple push-button tail switch, has TEN-TAP programmable mode order, and mounts to MIL-STD-1913 Picatinny rails with an M-LOK mount included. The body is 6000-series black anodised aircraft aluminium, rated IP67 with the tail switch fitted, and measures 4.64 inches.

How It Compares

The same light supplied with a CR123A instead of the rechargeable pack is the Streamlight ProTac Rail Mount 1L-X rifle weapon light. If you need remote pressure-switch capability, the Streamlight ProTac Rail Mount 1L-X USB Pro rifle weapon light adds the Jack-Cap tail cap. Browse all rechargeable rifle and pistol lights, or compare figures in our lumens vs candela chart.

Ideal For

  • Night fox and vermin control where a compact rifle light suits a short handguard
  • Civilian Service Rifle, straight-pull and 3-Gun carbines used often enough to justify recharging
  • Airsoft and training builds wanting a clean tail-switch setup
  • Farm and yard work on a carbine or shotgun

Key Features

  • 850 lumens output and 30,000 candela peak beam intensity; 346 metre beam
  • SL-B9 USB rechargeable pack and cord included
  • 500 lumens and 18,000 candela on a CR123A cell as backup fuel
  • 100 lumen low with 3,400 candela and a 117 metre beam
  • Push-button tail switch; TEN-TAP programmable mode order
  • Picatinny fit with M-LOK mount included; IP67 with tail switch

Technical Specifications

Output (SL-B9) 850 lumens / 30,000 candela / 346 m (0.5 h); 100 lumens / 3,400 candela / 117 m low (4.5 h)
Output (CR123A) 500 lumens / 18,000 candela / 268 m (1.75 h); 100 lumens low (6.5 h)
Strobe Runtime 1.25 h on SL-B9 / 2.5 h on CR123A
Battery One SL-B9 USB rechargeable pack (included) or one CR123A lithium cell
Activation Push-button tail switch
Mount MIL-STD-1913 Picatinny; M-LOK mount included
Length / Weight 4.64 in (11.79 cm) / 5.22 oz with SL-B9, 5.12 oz with CR123A
Construction 6000-series machined aircr

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