Model 344
644
Glock Tactical Light
GLOCK PISTOL
17, 19, 22, & 23 9mm & .40 S&W
Model 344 & 644 Tactical Light
Installation
1. Remove the magazine from the weapon and inspect the weapon to be certain it is
not loaded.
2. Position the H44 Housing below the frame, forward of the trigger guard.
3. Position the Clamp Plate inside the trigger guard with the four holes aligned with the
holes in the Housing.
4. Install four socket head screws through the Clamp Plate into the Housing. Insure
that the spacing between the Housing and the Clamp Plate is even on each side of the
trigger guard.
5. Tighten the four screws with the Hex Wrench provided in the kit until the Housing
is secure to the weapon. DO NOT OVER TIGHTEN THE SCREWS. The
frame will distort and may impair the function of the weapon.
6. The Housing should be aligned with the bottom of the frame with no gap between the
top of the Housing and the bottom of the frame.
7. Select the location desired on the weapon for mounting the Pressure Switch. Clean the
surface of the weapon in the area selected for attaching the Velcro with alcohol to
remove oil and dirt.
8. Using the Velcro provided in the kit, remove the paper backing from the “loop” section
of Velcro and press in place on the clean area selected.
9. Wipe the rear (flat) side of the Pressure Switch with alcohol to remove oil and dirt.
10. Remove the paper backing from the Velcro “hook” and press it in place on the rear
side of the Pressure Switch at the end of the cable.
11. Position the Pressure Switch on the weapon over the Velcro pad. Route the cable
so that it does not interfere with the weapon operation.
12. Install the Battery with the + terminal facing out.
13. Install the Lamp Module. The Tactical Light is now ready for use.
14. Apply pressure to the Pressure Switch to turn on the light. The light will stay on as
long as pressure is maintained.
Kit Contents
! H44 Housing
! L30 or L60 Lamp Module
! DL123A or DL223AC Battery
! Velcro Hook & Loop
! Hex Wrench
! Users Manual
Model 344 & 644 Tactical Light
Lamp Replacement
1. Unscrew Bezel from Lamp Module. 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 Module from Housing and shake out old battery .
2. Install new battery with the + terminal facing out.
3. Reinstall Lamp Module
WARNING
Lithium batteries can explode or cause burns if disassembled,
shorted, recharged or exposed to fire or high temperatures. Please
handle with care.
Model 344 & 644 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 Assembly in a 6 Volt system. The lamp will burn out Immediately!!!
T o 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:
SureFire LLC
Repairs Department, RA# ___
18300 Mt. Baldy Circle
Fountain Valley, CA 92708
Surefire will pay any reasonable shipping costs to return the unit to you.
Warranty
SureFire LLC warrants that its products will be fr ee fr om defects in materials and workmanship. SureFire 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 SureFir e.
“Fine Print” Warranty Limitation
There is no other express warranty. SureFire LLC hereby disclaims any and all implied
warranties, including, but not limited to fitness for a particular purpose. SureFire LLC shall not
be liable for incidental, consequential, or special damages arising out of, or in connection with
product use or performance.
h44um_92.630
WARNING
Lithium batteries can explode or cause burns if disassembled,
shorted, recharged or exposed to fire or high temperatures. Please
handle with care.
18300 Mt. Baldy Circle, Fountain Valley, CA 92708 (714) 545-9444
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