Thread: 577-450 case forming

Originally Posted by rambo-6mmrem

Just a note i read online is that these reformed 24g shells ave quite a bit more case capacity than a original say kynoch case
So it is possible to over load them not that that matters too much with black powder
But ideally you should use the maximum of the original charge or lower and fill the rest of the case with filler weather that be wads or corn meal or something

That makes a lot of sense
The Magtech brass is pretty thin and has a completely different cartridge base

I have Magtech and Bertram 577 Snider brass and I can go measure the volume difference