Quote:
A talented guy in Sterling, Alaska built a 450 #2 nitro on a 12g CZ/Huglu. Did a dandy job. The action was off face when he showed me the gun. The very large diameter of this case provided more back thrust than the CZ could handle. He might have been somewhat better off with the standard 450 nitro.
Otto
No, he wouldn't have. True, the No. 2 case is .02" larger in diameter, but it's chamber pressure is also 4000 PSI lower. That's why it produced less measured thrust (BaseCUP - 13 tons vs 17 tons) than the .450 3 1/4" NE. Assuming that the conversion was done correctly, and if the gun is that loose, it was either shot with a steady diet of overloads, or the action used simply wasn't up to a full nitro cartridge, and it's almost certainly the latter.
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Re: building a DR on a CZ SXS action