I found a place that has the fore-end and handguards, used. No buttstocks, though. This place also has lots of the parts and the prices seem decent.
http://www.hoosiergunworks.com/catal...ry_stocks.html
http://www.hoosiergunworks.com/catalog/enfield.html
First one's the stock parts, second is the other parts. Might be worth a look.