This is our LED Head Unit that is made for the Surefire Shotgun Forend Lights

-Full Mil-Spec Construction and Design able to withstand recoil
-3.4mm Thick Tempered Glass Ultra Clear Lens
-Nichia 519A Cool White LED with 850 Lumens Max Output
-Enables the use with both 3V CR123A Primary Cells and 3.7V 16340 Rechargeable Cells
(2.7V-4.5V Regulated Input for Maximum Flexibility)
-Maximum Current Output at 1600mA
-Cool White (5700K) Colour Temperature
-Reverse Polarity Input Protection
-Over-Discharge Protection
-Unique Reflector Design
-Precision Machined Aluminum Reflector
-High Temperature Resistant Orange Peel Coating
-Every Reflector Module is Pre-Focused for the Ultimate Spot

This LED Head Unit provide an increase of over 3 times the output than the original light, turning your shotgun forend light into a top performing tactical light.
It will convert it into a 1 cell light which use a single battery. (1 x CR123A Primary Cell or 1 x 3.7V 16340 Rechargeable Cell)
Therefore shortening it making the light shorter providing better control and mobility.
Also avoiding damages to the light when moving about.

Compatible with:

Surefire
Model 617, 617F, 617FG, 917, 917F, 917FG
Model 618, 618F, 618FG, 918, 918F, 918FG
Model 620, 620TF, 620TG, 920, 920TF, 917TG
Model 621, 621F, 621FG, 921, 921F, 921FG
Model 622, 622F, 622FG, 922, 922F, 922FG
Model 623, 623F, 623FG, 923, 923F, 923FG
Model 636, 636F, 636FG, 936, 936F, 936FG


Runtime:

1 x CR123a Primary Cell: ~1 hour
1 x 3.7V 16340 Rechargeable Battery (750mAH): ~1 hour