To know if it’s in great shape and can handle powerful loads it would be best to have someone who knows guns to verify it. It does sound as though it’s in near pristine condition.No! I guess to make a gunsmith check it out i would have to ship it to one in USA. And i guess that would be pretty expensive. What exacly you mean the gunsmith should check?
It's a antiquarian and if i do any changes to it then it's dropping the price...and i can't buy any piettas etc any new produced replicas legally in sweden. Neither any cylinders from piettas etc.... In order to be legal it has to be produced before 1980. Our crazy shitty laws......
But about the shape it's in pretty good shape actually. I can see the one who had it before me have been taking care of it. I can see the rifling in the pipe very clearly, the cylinder probably haven't been used in a while since it got the original color left. So a guess is they converted to another one for a while then converted back to the original cylinder. Entire the gun works perfectly and i can't see any cracks, rust etc anywhere. And the mechanism works like a charm.
The thing i am confused about is the black powder charges since piettas are harder and can stand out better to the higher amounts powder then the original ones right? So i'm confused about the loads i should use and if it's for example enough for home defense or whatever with 30 grains and a round ball or if i can shoot a 215 grains conical bullet safely with 30 or 35 grains....since it's antiquarian i'm not sure how hard it is compared to piettas that can handle out more pressure etc...so i'm wondering how to maximize the load for it to be enough for self defense or home defense without exploding the gun.
Original guns could handle all the powder you could cram under a ball or conical. The steel they were using up north was high quality. The mild steel they use today they claim is stronger than what was being produced in the 1860’s. I wouldn’t test a highly compressed substitute load in an original even in great condition.
What powders do you have available to you to choose from? That’s your most important aspect if you are wanting to use it for protection or hunting. You need a sporting grade powder. Through a repro 3F Swiss with a .454” ball looks like this:
28 grns 959 fps
35 grns 1089 fps
40 grns 1104 fps
Note that the extra 5 grns didn’t amount to much when moving up from 35 grns.
A ball will outperform almost any conical with the exception of those with a wide meplat, which are not traditional. A hollow point would outperform the wide meplat bullet. You want large and blunt.