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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

Birdhunter50
.375 member

Reged: 03/06/07
Posts: 815
Loc: Iowa,U.S.A.

Re: 577 light
16/03/12 07:24 AM

Doubleriflejack,
I am getting ready to build a .577 light nitro rifle on a Mercury 10 gauge 3 1/2 inch frame. I will be using three inch cases and reamer but I want to load it the same as the 2 3/4 light nitro loading. Do you think in this case that the rifle needs to weigh 13 pounds? I was going to shoot for a finished weight of 10 1/2 to 11 pounds, is that too light for the recoil involved? This shot gun had the barrels ruined by some guy trying to put screw in choke tubes in it. Then the current owner cut the barrels back to 26 inches. As it stands now, the gun weighs 10 pounds 4 ounces. It has the Greener crossbolt and the action is 2.6 inches across the face. It was proofed at 850 KGS and I'm making a guess that that is per square centimeter, is that correct?
What would this proof be in pounds per square inch and what kind of loads should we proof it for? I think a 650 grain bullet at 1800 FPS is plenty of power for the new rifle, I am just wondering what the pressure is on that load and what level would you proof it at for that load? Should I fill the additional space up in the case with shotgun wads or some kind of fluffy fiber filler? Thanks to all for any help on this project. I am a little in the dark here because this is quite a bit bigger than anything I have built to date. Bob

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Subject	Posted by	Posted on
577 light	drbd	13/03/12 08:47 AM
Re: 577 light	doubleriflejack	15/03/12 07:25 AM
Re: 577 light	Birdhunter50	16/03/12 07:24 AM
Re: 577 light	doubleriflejack	20/03/12 06:08 AM
Re: 577 light	Birdhunter50	20/03/12 08:57 AM
Re: 577 light	doubleriflejack	21/03/12 10:01 AM
Re: 577 light	Birdhunter50	23/03/12 03:57 AM
Re: 577 light	tinker	20/03/12 06:25 AM
Re: 577 light	doubleriflejack	20/03/12 07:05 AM
Re: 577 light	doubleriflejack	17/03/12 06:17 AM
Re: 577 light	Birdhunter50	18/03/12 01:02 AM
Re: 577 light	500Nitro	16/03/12 08:02 AM
Re: 577 light	Birdhunter50	16/03/12 10:42 PM
Re: 577 light	500Nitro	16/03/12 11:10 PM
Re: 577 light	Birdhunter50	18/03/12 12:37 AM
Re: 577 light	Sarg	17/03/12 10:49 AM
Re: 577 light	CptCurl	18/03/12 10:51 PM
Re: 577 light	drbd	18/03/12 02:41 AM
Re: 577 light	tinker	18/03/12 03:31 AM
Re: 577 light	drbd	18/03/12 09:36 PM
Re: 577 light	500Nitro	15/03/12 07:30 AM
Re: 577 light	Sarg	15/03/12 11:18 AM
Re: 577 light	500Nitro	15/03/12 11:22 AM
Re: 577 light	bonanza	15/03/12 06:43 AM
Re: 577 light	doubleriflejack	14/03/12 07:44 AM
Re: 577 light	drbd	14/03/12 09:21 AM
Re: 577 light	500Nitro	14/03/12 09:28 AM
Re: 577 light	drbd	14/03/12 09:37 AM
Re: 577 light	500Nitro	14/03/12 09:54 AM
Re: 577 light	DoubleD	14/03/12 12:34 PM
Re: 577 light	MikeRowe	14/03/12 01:18 PM
Re: 577 light	CptCurl	14/03/12 09:42 PM
Re: 577 light	Paul	15/03/12 12:18 AM
Re: 577 light	AkMike	13/03/12 09:37 AM
Re: 577 light	Huvius	13/03/12 02:14 PM
Re: 577 light	AkMike	13/03/12 04:05 PM
Re: 577 light	CptCurl	13/03/12 09:32 PM

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