Sipsey River has them I think I saw he did at KTBA on Saturday. I got them from Keep It Simple Archery. I don't know if he can still get them. you can also take a 145 - 160 glue on fieldpoint and glue it to a 100 grain adapter. I've done that. I've even, although I haven't seen anymore since I bought the last six some vendor had at Cloverdale, a 200 grain glue on fieldpoint and glued it to a 100 grain adapter.