Jonty,
I fitted a 101 stock a couple years ago. If memory serves, you're talking about the verticle recoil lug surface between the tangs at the rear, that the drawbolt goes thru? If so, I would highly recommend that this area be glassbedded (I use Devcon Aluminum) and if it's glassbedded, grind out at least 1/16" to allow for the bedding material. The recoil lug surface requires as much contact as possible. Glassbedding assures that.
If you glassbed it, find a piece of allthread (I think it was 6mm), for substituting the drawbolt during the bedding, and put it in the frame and wrap at least a couple inches near the reciever with a thin layer of tape and make sure to use mold release on everything.
Last edited by Chuck H; 11/23/06 08:15 AM.