If your stock is split like mine was a simple epoxy repair may need a little help. I placed a metal staple in the stock to give it more support and prevent splitting again. Got the ideal from Master Gunsmith T..
If you need ejector hammer springs they are always for sale on EBay. Just do a simple Remington 1894 search. I have found a lot of 1894 parts on EBay. Picked up a ejector fore end and extra fore end parts recently for a pair of project guns. When you get into project guns like these you just need to pickup parts when ever you come across them. It is very easy to sell them later if you find they are not needed. Great pictures by the way. I bet when that case color was new it was spectacular.
Also dudleybm a seller on Gunbroker has a few Remington 1894 parts and Fox as well. Parts are where you find them