There was a thread (very interesting) about this some time ago. I am starting a new thread regardng some practicaliies of this. I have got hold of someone who will make and ship me a bolt head and striker. I can finagle / machine / file and deal with magazines and feeding over a long period. the sticking point is the barrel. I contacted Criterion about the possibility of threading a 223 barrel for the Enfield receiver as they clearly have the tooling there but costs seem to be crazy. Does nayone have any recommendations on teh barrel side of things. I ma in CA so west coast of USA is best.