I don't have any pics at the moment, the ones I have made have been for my british single shot rifles. I just use a case and then make a plunger and a threaded insert out of brass. I would imagine plating is possible, though I've not done it. I'll try to dig up some of the ones I have made and get some pics.
Steve


Firearms imports, consignments


[Linked Image from i.imgur.com]