B-78 chambering help

elkaholic

Well-Known Member
Joined
Dec 4, 2008
Messages
9,887
Location
hauser, id.
I have a B-78 that I want to re-chamber and a machinist in the area said he could do it WITHOUT removing the barrel. Is this possible and if so is it SMART? This guy is not a gunsmith, but some of the local guys say he does great work. (I'm skeptical?)......Rich
 

Hairtrigger

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Joined
Jan 10, 2009
Messages
430
Location
NW OHIO
Sounds like a rifle wrecker to me.
Not a place to save a few dollars.
If you want the rifle rechambered have a gunsmith di it correctly
 

EddieHarren

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Joined
Nov 27, 2005
Messages
1,142
Location
Maryland
I believe that it may be possible. It would depend a whole lot on what chamber is in the barrel now and, what chamber you want to go to. I know a guy who took his 45-70 Sharps to 45-90 by hand.
 

elkaholic

Well-Known Member
Joined
Dec 4, 2008
Messages
9,887
Location
hauser, id.
It's not an Ackley but a 6.5 Sherman. It's based on a .270 case and has a 40 degree shoulder like the Ackley but the case has less taper and the shoulder is farther forward. Total length is 2.525 as opposed to 2.494.
 

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