
Users Manual
Model 918G
Tactical Light
Remington 870 Shotgun
12 Gauge
Protected by US. Patent 4,856,218
Revision A 12-1-98

Model 918G T actical Light
Introduction
The Model 918G Tactical light provides a rugged and reliable source of high intensity
light that is integrated into the fore-arm of the shotgun. The lamp is shock isolated. A two
button ON/OFF switch and a Pressure Switch are located on the right side of the H18G
Housing and wired in series. When the ON/OFF switch is ON pressing on the Pressure
Switch will turn the light ON, release pressure and the light will go OFF. When the ON/OFF
switch is OFF, the Pressure Switch is deactivated. A Switch Blocker is provided for users
that want to reduce the functional size of the Pressure Switch.
Installation
1. Put safety on safe. Open action and make certain no shells remain in chamber or
magazine. Close action and remove Magazine Cap and Barrel. Reach into
bottom of receiver and press left shell latch inward. Slide Fore-End Tube off
Magazine Tube.
NOTE: Top right edge of slide may bind on bottom front of ejection port in
receiver. To free slide, push front end of bolt downward.
2. Unscrew and remove Fore-End Tube Nut using Installation Tool supplied in kit
and remove wooden Fore-End by pulling it straight off the Fore-End Tube.
3. Place H18G Housing onto the Fore-End Tube and reinstall Fore-End Tube Nut
using Installation Tool.
4. Install Fore-End Tube on receiver by placing slide and breech bolt on the end of
the Fore-End Action Bars. Insert the end of Action Bars into matching grooves in
the Receiver. Move Fore-End gently rearward into receiver until contact is made
with front end of right shell latch. Press front of right shell latch into side of receiver.
Move Fore-End past right shell latch until contact is made with left shell latch.
Press front of left shell latch inward to allow Fore-End Tube to pass and reassemble
freely into receiver. Reassemble Barrel and tighten firmly with magazine cap.
5. Install Battery into the Housing with the + contact facing out.
6. Screw Lamp Housing into H18G Housing.
7. Test the light using the switches, the light should come on. Installation is now complete.

Model 918G T actical Light
Kit Contents
! H18G Housing
! P90 Lamp Module
! DL323AC Battery
! Model Z10 Switch Blocker
! Alcohol Wipe
! Users Manual
! Installation Tool
Lamp Replacement
1. Unscrew Bezel from Lamp Housing. Lift Lamp assembly out of Bezel.
2. Install replacement Lamp Assembly in Bezel and reassemble by
screwing onto Lamp Housing until it is fully seated.
Battery Replacement
1. Unscrew Lamp Housing from H18G Housing and shake out old battery.
2. Install new battery with the + terminal facing out.
3. Reinstall Lamp Module.
Switch Blocker Installation
If you want to disable the part of the pressure switch where you rest your hand, (and
don’t want the light to come on) you can cover it with the Model Z10 Switch Blocker. First
clean the portion of the Pressure Switch to be disabled using the Alcohol Wipe from the
Kit. Then remove the paper backing from the underside of the Switch Blocker and press
the Switch Blocker in place on the Pressure Switch.
WARNING
Lithium batteries can explode or cause burns if disas-
sembled, shorted, recharged or exposed to fire or high
temperatures. Please handle with care.

Model 918G Tactical Light
Caution
The battery used in the light is very powerful. Be sure that the switch is not touching anything
when the light is stored. If the lamp is turned on while in a case or other container, the lamp can
overheat and damage the light or surrounding materials. Remove the battery or unscrew the bezel
far enough to prevent the lamp from turning on when stored.
Do not use a 3 Volt Lamp in a 6 Volt system. The lamp will BURN OUT immediately!!! To
identify a lamp assembly: the 3 volt lamp has a Red label and is marked R30, the 6 volt has a Blue
or Green label and is marked R60 or P60.
If it is necessary to dispose of any batteries, do not do so by fire, mutilation or by disassembly ,
as this may cause toxic chemicals to be released.
Repairs & Replacements
To obtain repair or replacement call Customer Service at 800-828-8809 (toll free) or 714-5459444 and obtain a Return Authorization number (RA). Then pack the unit carefully and return (no
COD’s please) to:
Sure-Fire LLC
Repairs Department, RA ____
18300 Mt. Baldy Circle
Fountain Valley, CA 92708
Sure-Fire LLC will pay any reasonable shipping costs to return the unit to you.
Warranty
Sure-Fire LLC warrants that its products will be free from defects in materials and workmanship.
Sure-Fire LLC will repair or replace (at its option), without charge, any product or part which is
found to be defective under normal use and service. Such repair or replacement shall be the
purchaser’s sole and exclusive remedy under this warranty . This warranty does not include normal
maintenance and services and does not apply to any products or parts which have been subject to
modification, misuse, negligence, accident, improper maintenance or repair by anyone other than
Sure-Fire LLC.
“Fine Print” Warranty Limitation
There is no other express warranty. Sure-Fire LLC hereby disclaims any and all implied
warranties, including, but not limited to fitness for a particular purpose. Sure-Fire LLC shall not be
liable for incidental, consequential, or special damages arising out of, or in connection with product
use or performance.
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