Personally, I'm really surprised at the number of people online who appear to be restoring and firing Nepalese Cache muskets. Sure, the British-made arms were generally very well-made guns in their day, but their day was more than 200 years ago in some cases - and then they were literally left in a pile in a storeroom in Nepal and forgotten about until a couple of years ago. I can understand restoring them to blank firing condition for re-enactment - and I think if you were determined to make them go "BANG" again, that would be the way to do it -but putting a live charge in one of them seems a bit, well, bold to me. Doubly so for the Nepalese-made guns; I know they were fine in their day but 150 years of sitting in a Himalayan warehouse can't possibly have done anything beneficial to their condition.
In relation to our (comparatively) more modern interest though, I wonder if in 100 years someone will be making reproduction Lee-Enfields and Mausers for people to shoot? I'm surprised at some of the guns being reproduced (There's a market for a 1872 open-top frame cartridge conversion revolver, but not a Mauser C96 in 9mm or a Webley Mk IV in .38 Special?) so who knows? Perhaps in 2116 there will be people rejoicing at how they can shoot a "modern" Lee-Enfield in whatever the readily available cartridges are (or perhaps even as a laser rifle?).