first you need to find the host ,small like you said that can take the quad/triple optics and has mass for the heat ,then the driver is easy ,you can have17,20 and 22mm DD driver from mtn and last the copper pcb from noctigon or this
first you need to find the host ,small like you said that can take the quad/triple optics and has mass for the heat ,then the driver is easy ,you can have17,20 and 22mm DD driver from mtn and last the copper pcb from noctigon or this