Streamlight ProTac Rail Mount 1L-X USB - Black

Streamlight ProTac Rail Mount 1L-X USB

Compact Multi-Fuel Weapon Light for CQB and Carbine Platforms

The Streamlight ProTac Rail Mount 1L-X USB is a compact tactical weapon light designed for short-barreled rifles, carbines, and submachine guns. It supports both CR123A lithium batteries and the rechargeable Streamlight SL-B9 lithium-ion battery pack. The light features TEN-TAP programming, durable aluminum construction, and direct mounting compatibility with Picatinny and M-LOK systems.

Key Features

Power Source: 1x CR123A lithium battery or 1x SL-B9 rechargeable battery pack

Programming: TEN-TAP with High/Strobe; High only; Low/High

Mounting: MIL-STD-1913 Picatinny and M-LOK compatible

Material: 6000 series aluminum with black anodized finish

Lens: BOROFLOAT anti-reflective coated glass

Controls: Push-button tail switch

Water Resistance: IP67 to 1 m for 30 minutes

Dimensions: Length 118 mm

Weight: 145 g with CR123A; 148 g with SL-B9

Performance Data

Power Source
Mode
Lumens
Candela
Beam Distance
Runtime


SL-B9
High
850 lm
30000 cd
346 m
0.5 h


SL-B9
Low
100 lm
3400 cd
117 m
4.5 h


SL-B9
Strobe
-
-
-
1.25 h


CR123A
High
500 lm
18000 cd
268 m
1.75 h


CR123A
Low
100 lm
3400 cd
117 m
6.5 h


CR123A
Strobe
-
-
-
2.5 h

Included Accessories

Includes SL-B9 rechargeable battery pack, USB charging cable, tail switch, M-LOK mount, and mounting hardware.