This is a remix of a Rival Perses grip that has a spot of a laser diode and a 9V battery. I made this because, with the addition of a hopper extension, I found it very hard to aim(and I thought it would be cool). The 9V batter is friction fit into the bottom of the grip. to remove it you can use a pair of pliers or you can stick a long strip of paper into it before the batter and pull it out. Make sure you have the measurement set to inches or it will not be scaled properly(set the scale to 2540% if the object is loaded with units of mm instead of inches).

You will need:

• Laser diode
• 9V battery
• 9V battery connector
• M3 bolt and nut

When you solder the laser to the connector, make sure the wires are running through the little hole connecting the battery housing and the laser housing.