Found this rheostat 200ohm on Amazon
https://www.amazon.com/gp/aw/d/B00H...=6KB3NWRAFNAASEV4XSD7&dpPl=1&dpID=21shUqAhEpL
Just attach to existing Muzzler for variability or make your own.
https://www.amazon.com/gp/aw/d/B00H...=6KB3NWRAFNAASEV4XSD7&dpPl=1&dpID=21shUqAhEpL
Just attach to existing Muzzler for variability or make your own.