Turn
Tail Cap
for
“ON”
There are two ways to activate the light from
the M4. The Tail Cap switch of the Flashlight
can be activated by rotating the Tail Cap in a
clockwise direction for a constant “ON”
setting or by pressing on the Push Button for
temporary light.
For Constant Light
ON -
Turn Tail Cap clockwise
(viewed from the tail)
For Momentary Light
ON -
Press Push Button
OFF -
Push
For
“ON”
To Turn Flashlight “ON”
M4 DEVASTATOR
OFF -
Turn Tail Cap counterclockwise
Release Push Button
Switch Lockout Procedure
1. From the constant “ON” position, back the
M4 Tail Cap “OFF” until the light goes out
and turn the Tail Cap one full turn counter-
clockwise from this position.
2. Push Button switch is now locked out.
3. Restore Push Button function, rotate the
Tail Cap one full turn clockwise
