This is almost the same as my ProWin Hopup Arm, yet this one is made to use it with a flat hop mod.
Just cut some nub material and then then mount it.
Don't have a printer yourself? Contact me on my Etsy store and I'll be happy to print it for you: https://www.etsy.com/shop/XDr4g0nX3DPrinting
Category: Sport & OutdoorsThe author marked this model as their own original creation. Imported from Thingiverse.