Ris 2 M203 hanger tab screw size?

bohica17

Sergeant of the Hide
Full Member
Minuteman
May 17, 2011
336
147
Canal Winchester Ohio
I need to remove the tabs so I came get my asr mount to fit through the hand guard. I’m gonna have to buy a different Allen key to get them out. Can’t find what the size of the head is and was wondering if anyone on here knows? I’ll probably have to chop one down to get it to fit.