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Normal Topic Switching barrels on Browning HighWalls - Indexing (Read 1936 times)
texasmac
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Switching barrels on Browning HighWalls - Indexing
Apr 13th, 2010 at 2:04pm
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Hey guys,

I have a general gunsmithing question on switching barrels on Browning 1885 High Walls (both the B-78 & 1885).  The question concerns replacing the barrel with a “take off” barrel from another identical rifle.  In other words & as an example, replacing a barrel on a Browning 1885 BPCR with the same caliber or different caliber barrel taken off an identical Browning 1885 BPCR.  I have switched barrels on one Browning BPCR barrel and it did “index” fine with the correct headspace and the extractor slot aligning properly at approximately what I felt was the correct torque.  Was I just lucky?

The question came up because I just received an email from someone planning to do a similar barrel switch on a Browning B-78.  He thinks he remembers reading a post on this forum in which someone stated that the barrels would index from receiver to receiver.  I hesitate to confirm based on the one Browning 1885 I switched barrels on.

Any comments from you professional or “shade tree” gunsmiths on the subject?  Thanks.

Wayne
  

NRA Life (Benefactor & President's Council) Member, TSRA Life Member, NSSF Member, Author & Publisher of the Browning BPCR book
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FITZ
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Re: Switching barrels on Browning HighWalls - Indexing
Reply #1 - Apr 13th, 2010 at 6:34pm
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Wayne, it makes sense that they would be interchangeable. Winchester 
with the 85 and Sharps with the Borchardt were able to do it from 1878 on. The secret was thread milling. They just setup a standard and indexed off one of the milled dovetail flats on the underside of the Barrel. Backed off a set distance and one mill pass and the threading operation was done and good. No manufacturer today wants to hand fit individual parts. Way too costly, and requires a skilled craftsman. BAH! No more of them around in industry. Where I work we on occasion do thread milling on vertical CNC machines where we need to thread almost to the bottom of a flat bottomed hole. I am always amazed at how well it works. So if you got away with once the odds are Browning just resurrected the old methods with new machinery. 
HTH regards, FITZ. Smiley
  

FITZ
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Jerry_H
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Re: Switching barrels on Browning HighWalls - Indexing
Reply #2 - Apr 14th, 2010 at 12:58am
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Don't count on the Brownings to index. I've been involved in three barrel swaps on BPCRs and they all had to be set back and re-chambered. Maybe I saw the only three that didn't index, but I doubt it. For what it's worth, one was a 40-65 that shot a 250 with smokeless.

Jerry
  
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