I made this quick for my Medium & Mini RONI carbine conversions, they are very reliable & cheap led lights made by CREE (Q5) Items Required: 4 X M3 X 25mm L Fasteners 4 X M3 Nuts Medium RONI: https://www.thingiverse.com/thing:3041440 Mini RONI: https://www.thingiverse.com/thing:3030223 !Don't forget to check out my other Cool designs and Follow my weekly KooKoo uploads, Enjoy ;)