1858 new army

I have a reproduction 1858 Remington Army made by Gregorelli & Uberti for Navy Arms in 1960. I bought this gun 56 years ago and it is in great condition except for one bad nipple. To date I haven't been able to find a replacement nipple of the correct size. Following is all of the information I...

Notice the tic marks!! This dude was found under the floor of an old mercantile in Palestine Tx. The property belongs to a close friend and he gave it to me knowing that I would try and get it back on the road. The hammer comes back smooth and cylinder turns but the trigger does not release the...