I was just gonna throw the old things away and mount some slicks on some new carbon for the father in law, but you guys are compelling me to screw them on and shoot them!
Thanks Arthur, now I know what they were called.

A big ol' left handed thumb hole stock mounted to some steel limbsand we get hung up on laws and broad heads..I tried to get the old blades out but it seems the aluminum has oxidized enough to make them pretty solid chunks..