BBL length

R

rr41mag

New member
I am in the process of building a single shot .45-70 and was wondering what was a good BBL length? The blank is presently 27" long after machining I could have a 26" bbl. What do yall think?
 
Depending on use or purpose, some important aspects of barrel length involve aesthetics and balance--as well as velocity. And, you can always change your mind and shorten a barrel; I haven't found many barrel-stretchers for carbines. :)

What style of animal are you building, Sharps type? Whatcha gonna do with this wondrous critter?

Art
 
Since you axed. It's a thompson center encore frame. I have a 7mm bull BBL for it already and am just adding to my bbl collection for the frame. So far I plan on it being a bull bbl just like the 7mm and probably the same length. There is also a .22-250 in the future along with several other calibers that I have reamers for. (read my reamer post in gunsmith) By the way the bbl blank is from gunparts and was 59 bucks to my door. good deal
 
Not havin' messed with either of these--.45-70 or TC--lemme weasel around and sorta think out loud. I'd guess that with smokeless powder, even a short barrel will let you beat black powder muzzle velocities. So, it's sorta up to your aesthetics, I guess, or else how it balances for you.

I'd probably say go longer, with a .22-250. It's of a general cartridge type which performs better with a longer barrel. Get it too short, and it'd be a heckuva note to have a bunch of noise and use all that powder and have .22 Hornet performance. :D Just exaggeratin' some...

Sounds like fun projects,

Art
 
Yep the .45-70 is going to be modern. I'm mainly using for the "test bed" of figuring out the bugs on this block that T/C uses. It just so happens that the bbl was so cheap that if I wind up scrapping the whole project I'd only be out 59 bucks, however everything is looking pretty good so far.
 
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