I recently purchased a commandarms.com accessory rail for my ps. They fit in the square indentions in front of the magazine. They are made in israel out of aluminium for the ps. They position the accessory, such as m6 laser light, within easy access of your thumb to activate just like on a handgun. So no wires. It has to have 1 hole drilled through the indentions, so the 2 square plugs can be joined with a screw, but after seeing all the redesigns that members have done, I don't think that this is a drastic mod. :-D I have pics, but i'm having trouble posting them.