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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing
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sonofbear
.224 member


Reged: 12/01/08
Posts: 1
Loc: QLD, Australia
20 bore project...
      #94131 - 12/01/08 07:43 PM

Hello all, I'm a new member here and have no blackpowder experience whatsoever.
I recently bought an enfield snider which had been rebored and rechambered to 20 gauge (smoothbored unfortunately). Since the chamber in the sniders is cut into the action as well as the barrel I can't restore it to it's origional chambering (.577 snider).
I'm keen on at least rebarreling it to achieve some accuracy. My first instinct was to have a rifled barrel made in 20 bore to suit. But I have recently thought that since the brass cases accept a .578" bullet that I would like to have it chambered for 20 bore but with a bore to suit the smaller bullet mentioned above.
Does this sound like a reasonable idea?
I was thinking that if I do not I would have to use a heeled bullet to allow the projectiles to seat into the rifling properly. Any thoughts on this idea?
Don't spare my feelings! If I'm missing something feel free to let me know.
Cheers

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DarylS
.700 member


Reged: 10/08/05
Posts: 26992
Loc: Beautiful British Columbia, Ca...
Re: 20 bore project... [Re: sonofbear]
      #94198 - 14/01/08 06:02 AM

Having the existing barrel rifled may be a better option.
; Loading and shooting round balls in the smoothbore might be the best overall effort. We've found 20 bores that hold into 3" at 50 yards for 5 shots using 3 drams of 2F BP and appropriate wadding to fill the case. Use of the gas check base of a trap wad underneath the ball, cup facing upwards, helps centre the ball in the bore and greatly helps with accuracy. A card wad must be used between the plastic gas check and the powder.
; Lyman and Lee or Tanner make many different ball sizes in the 20 bore range, from .570" to .625". You should measure the bore to see it'a actual diameter. If you need tighter than 10" groups at 100 meters or greater range, then by all means, procede with your 'converison'.
; Bill Moody or Ed Rayle in the States will make you any twist or calibre or barrel size you need, for black powder shooting. Chambering and threading for the action will be up to you. Of course, you may have barrel makers locally who can assist you. Good luck.

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


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

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