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Discussion Starter #1
For a short range big bore dangerous game gun firing cast lead bullets, which would be more powerful and accurate?

Looking into the prospects for a big bore rapid repeater and considering using a pump shotgun either with rifled slugs or as a basis for a black powder big bore rifle.

I was thinking, assuming that if a pump shotgun could handle any BP pressures, I could make or use a rimmed 50 caliber oddball round with existing 50 cal bullets and sabots as well as cast lead ones.

Or am I wrong about BP being safe to use in any quantity in modern shotguns? Or is the power and accuracy of rifled slugs in a smooth bore still better than a black powder load?
 

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Since 03-15- 2002
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First, I'm not an expert. So, this is not really "advice"

Cast lead bullets would more than likely penetrate better than a rifled slug. Depending on the cast load. Rifled slugs are soft. They are known not to penetrate bone very well, seen it on deer.

Pressures will be higher with smokeless powder in a shotgun loading. There would be cleaning issues. Modern guns should handle BP or substitutes just fine. Knowing what to load needs to be investigated thouroughly.

Accuracy is subject to the gun and load as usual..
 

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Maybe a rifled slug barrel with hard cast ball loaded with blackpowder....basically similar to the old English double rifles, only pump action. A modern shotgun barrel should handle quite a load of black powder.:hmmm: Wonder if any body makes slug barrels in 3 1/2 chamber?:insane:
 

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Discussion Starter #7
Yeah, that's a consideration. I'm basically looking to set up a big bore pump action rifle that operates like a shotgun with a tube mag and all. I would particularly like one sufficient for grizzley bear, but you all know about that kick of mine. Range isn't the issue, only respectable accuracy and high knockdown.
 

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Since 03-15- 2002
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Thrawn said:
Maybe a rifled slug barrel with hard cast ball loaded with blackpowder....basically similar to the old English double rifles, only pump action. A modern shotgun barrel should handle quite a load of black powder.:hmmm: Wonder if any body makes slug barrels in 3 1/2 chamber?:insane:

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Ooooohhh! my shoulder aches in anticipation!

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