No not really. Post '64 M70s are not collector's guns and really have value only as shooters. The .222 Remington Magnum has never gained any popularity among shooters and in fact generally it would lower not raise the value to most. I've always kinda wanted a .222 Mag but never taken any action to get one in spite of that desire. Some day maybe I'll run across a good buy in a Remington rifle so chambered and get one.