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Old February 1, 2018, 07:43 AM   #54
kozak6
Senior Member
 
Join Date: June 16, 2005
Location: AZ
Posts: 3,113
In rifle calibers, it seems like anything other than Lancaster rifling is going to be a wash, and probably even then.

The Nerf football bullet in particular seems unworkable and expensive.

Pistol calibers, though, hold a lot of promise (although it's outrageously hard to beat an armbrace).

In particular, I'm wondering if it would be practical to induce a backspin on a roundball. Seems like there's a few ways you could go about it. I wonder how much trouble the lift generated would cause, or if it would even be an issue with a supersonic projectile.

Roundballs are difficult, though. They tend to weigh something like half a conventional pistol bullet of the same caliber. Some kind of tungsten or bismuth alloy might help a little.

I wonder if a duplex (or triplex!) roundball load could work, although that sounds a little crazy. Buffering would be an issue. Wish I had a machine shop. And knew how to machine.
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