Re: AICS 1.0 question
Yep.
More than a few folks have been known to dremel the "Hump" cheek rest off and install the 1.5 rest. The holes for the rest are already in the chasis.
Remove your skins and verify. Should be two on top of the chasis where the rest posts go and two threaded holes drilled side to side where the adjusting screws go.