This replacement Force Battery Door was designed by Method Developments to provide a replacement battery door that is easily removed from the Field One Force foregrip without a tool. Features Include: Tool-Less Removal Design Phosphorus Bronze teeth Ability to be disassembled while in the marker, if an internal failure were to happen. Eliminating the need for drill out methods. Installation: Slide the lock to retract the teeth Insert into foregrip Allow slide to go back to locked position Removal: While holding the slide to the unlocked position, push in on the door to compress the battery springs. This will unload the locking teeth and allow them to be retracted. While still holding the slide to the unlocked position, stop pushing against the battery springs and allow the door to be pushed out of the foregrip. If the retraction O-Ring breaks: Remove the two lower screws to disassemble the Battery Door Replace 1mm x 6mm O-ring Reassemble
