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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns

DarylS
.700 member

Reged: 10/08/05
Posts: 26516
Loc: Beautiful British Columbia, Ca...

Re: 577-450 Barrel
02/07/20 09:57 AM

Who is making that chambering reamer - today?
Is the barrel .458" groove dia.?
The originals were oversize, which complicates things.
Best to have a .458" groove. dia. Even then, the .45 Colt shoots .452's to .454's depending on the gun - they may or may not give accuracy in a .458" groove dia. barrel.
On the other hand, I used .452" Speer RN's in my .458 for grouse bullets and they shot well - into 3" at 100yards, but at grouse head ranges shot under an inch. The vel. was 1,445fps.
So - if smacked hard enough by the powder charge, the soft swaged factory bullets can shoot reasonably well.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

Post Extras

Entire topic
Subject	Posted by	Posted on
577-450 Barrel	EDELWEISS	02/07/20 09:39 AM
Re: 577-450 Barrel	Huvius	02/07/20 09:47 AM
Re: 577-450 Barrel	DarylS	02/07/20 09:57 AM
Re: 577-450 Barrel	EDELWEISS	02/07/20 10:59 AM
Re: 577-450 Barrel	DarylS	02/07/20 12:01 PM
Re: 577-450 Barrel	93x64mm	02/07/20 05:12 PM
Re: 577-450 Barrel	EDELWEISS	02/07/20 10:46 PM
Re: 577-450 Barrel	DoubleD	02/07/20 11:12 PM
Re: 577-450 Barrel	DoubleD	02/07/20 11:22 PM
Re: 577-450 Barrel	93x64mm	03/07/20 09:33 PM
Re: 577-450 Barrel	DoubleD	03/07/20 10:16 PM
Re: 577-450 Barrel	DoubleD	03/07/20 10:22 PM
Re: 577-450 Barrel	EDELWEISS	03/07/20 10:59 PM
Re: 577-450 Barrel	50Calshtr	03/07/20 11:30 PM
Re: 577-450 Barrel	50Calshtr	03/07/20 11:38 PM
Re: 577-450 Barrel	DarylS	04/07/20 01:40 AM
Re: 577-450 Barrel	EDELWEISS	04/07/20 07:28 AM
Re: 577-450 Barrel	DarylS	04/07/20 07:46 AM
Re: 577-450 Barrel	450_Ackley	05/07/20 06:03 AM
Re: 577-450 Barrel	DarylS	05/07/20 09:33 AM
Re: 577-450 Barrel	DarylS	03/07/20 02:28 AM
Re: 577-450 Barrel	EDELWEISS	03/07/20 10:10 AM

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