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.
- Turn the rell on the left side of the magazine until a click sound is heard.
- Always turn the reel counter clockwise, turn the reel colckwise may damage the magazine.
Q: How to install the LED on J-Mag 300 rapid-load magazine ?