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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

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bigdog
.375 member

Reged: 05/02/06
Posts: 559
Loc: Southern Illinois

Re: BUSTED 2 BORE [Re: DarylS]
#121900 - 22/12/08 04:40 PM

Actually, I got the gun back and reassembled it on Friday. It looks fine this time. I hope to shoot it after Christmas when it warms up just a little. Fed ex got it all taken care of, even if it took a total of 2 months. The bore diameter is 1.325", the balls are 1.308" The 3" diameter patches I made are too thick at .020. I need to get something about .008" thick. Any ideas of what to try??

--------------------
Kyle, I love you buddy, Dad

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themadhatter
.224 member

Reged: 06/02/09
Posts: 4
Loc: texas

Re: BUSTED 2 BORE [Re: bigdog]
#126535 - 10/02/09 02:07 PM

hey i was reading all the remarks about the current shipping industry and i was thinking why doesnt someone just make a seperate gun shipping company

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DarylS
.700 member

Reged: 10/08/05
Posts: 27535
Loc: Beautiful British Columbia, Ca...

Re: BUSTED 2 BORE [Re: themadhatter]
#126609 - 11/02/09 02:46 AM

Bigdog - how deep is the rifling? That ball is already .017" smaller than the bore.

In the pics, the rifling looked to be at least .020" deep. Your way undersized ball needs to be patched to reach the bottom of the grooves or the bore will foul badly.

With the ball 8 1/2 thou.(with .020" deep rifling) undersized per side, and .020" rifling per side, you'd need a .0285" patch just to reach the bottom of the grooves. That's heavier than 12 pound denim which is .025" or thereabouts.

We normally use a ball .005" under bore size with a .020" denim patch. With WW (HARD) balls, .010" to .015" undersize and the same or slightly heavier patch usually works with low pressure loads.

Smoothing the angles to a radius at the muzzle's crown might be necessaary to assist loading.

Are you shooting hard or pure lead?

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

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

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