Recoil Laser Tag Mods

Recoil Games by Skyrocket is a great laser tag system, I'm posting some of the mods I have designed for the system.
The goal is to design non-destructive mods for the laser tag system to add functionality.

The first item is a replacement battery door for the recoil hub. With this door you can attach adapters to be able to put the hub on a tripod so it can be centrally located in the game area and be raised off the ground which gives best results when playing.
The bolt for the door itself is