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Double Rifles, Single Shots & Combinations >> Paradox and Bore Guns

Longknife
.333 member

Reged: 17/04/08
Posts: 256
Loc: Illinois

Rem. Rolling block 20 bore?
10/02/16 05:25 AM

I purchased a Remington RB in 20 gauge, in pretty decent condition except the barrel has been shortened. My reason for acquiring this was to some day build a 20 bore rifle out of it, shooting black powder (of course) and a slug. I would am thinking a 1 1/8 X 30 inch oct barrel in the style of an English game rifle. I have a 20 bore brass case and determined that it will take up to 5 drams or 136 grains of powder loaded to 1/2 inch (12.7 mm) from the mouth. That should leave me enough room to seat a 1 inch (25.4 mm) long projectile (half in and half out). The inside of the case measures .654 (16.6 mm). Sooo... I can get a .620 barrel and have the twist and rifling depth made to my order, what would be best? If I drop to a .640 slug and .010 deep rifling that would be about perfect,,, I think? I would really like to use a full size grease grooved slug. What would a .640 X 1 inch slug weigh??? ANNNND,,,,Is this action up to the task??? Need ideas here from you bore gun guys.....SOOO many questions.....THANKS,,,Ed

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Longknife

Edited by Longknife (10/02/16 05:27 AM)

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Subject	Posted by	Posted on
Rem. Rolling block 20 bore?	Longknife	10/02/16 05:25 AM
Re: Rem. Rolling block 20 bore?	AkMike	10/02/16 06:55 AM
Re: Rem. Rolling block 20 bore?	Longknife	10/02/16 09:01 AM
Re: Rem. Rolling block 20 bore?	DarylS	10/02/16 11:30 AM
Re: Rem. Rolling block 20 bore?	AkMike	10/02/16 01:55 PM
Re: Rem. Rolling block 20 bore?	AkMike	18/02/16 11:43 AM
Re: Rem. Rolling block 20 bore?	Longknife	20/02/16 01:56 AM
Re: Rem. Rolling block 20 bore?	DarylS	20/02/16 04:14 AM
Re: Rem. Rolling block 20 bore?	Longknife	25/02/16 03:31 AM
Re: Rem. Rolling block 20 bore?	DarylS	25/02/16 04:12 AM
Re: Rem. Rolling block 20 bore?	bigskybound	25/02/16 07:52 AM
Re: Rem. Rolling block 20 bore?	DarylS	28/02/16 04:19 PM
Re: Rem. Rolling block 20 bore?	BillfromOregon	02/03/16 07:21 AM
Re: Rem. Rolling block 20 bore?	Longknife	28/02/16 03:53 PM
Re: Rem. Rolling block 20 bore?	Jim_C	10/02/16 08:58 AM

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