try the Kittery trading post
was a 38-40 black powder
22-72
Typically 50 to 75 grains of ffG powder.
Most black powder bores have a twist that is relatively slow. Say 1:36 or 1:50. They were 1:48 twist in 45 and 50 caliber
$850-$1,995
No published sn data.
You will have to tell us if you are talking about black powder or center fire.
50-300 USD or so
don't believe any such item as 58 cal. black powder pellets. but, there is a 58 cal. slug for the 58 cal. black powder rifle
depends on overall condition
Thompson Center Arms introduced the .50 caliber New Englander muzzleloader in 1975. It was designed for hunters and enthusiasts seeking a versatile and reliable black powder rifle. The New Englander was notable for its interchangeable barrels and ease of use, contributing to its popularity during its production years.
200-400 USD