Designed to be compatible with the currently available M16/M4 airsoft guns, these XTC magazines come with a support rib on the sides, which can be tweaked by slight grinding in case reloading happens to be subpar.
Step 1 : Install the Battery
Loosen the screw from the LED box to remove the battery cover plate.
Install the attached three mercury batteries as shown.
Fasten the cover plate with the screw.
Make sure the + and - battery contacts are properly oriented. The LED may not work when old and new batteries are used together.
Make sure no BBs before disassenbling magazine.
Step 2 : Install the LED box
Loosen the screw to remove the bottom cover from the magazine.
Take out the magazine inner case from the magazine cover.
Install the LED box into the magazine inner case.
Fasten the LED box with the black screw.
Assemble the magazine and tighten the screw to finish.