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.450 Bonecrusher

The 450 Bonecrusher is a wildcat designed by Lee Martin in 2002. The cartridge is based on a 500 Linebaugh, necked down to fit the .458 bullet. This neck down operations creates a 25 degrees shoulder. The main intention with this new design was to develop a high capacity case that would duplicate the 454 Casull performance, but with less pressure. With Winchester 296 powder the 450 Bonecrusher can push a 350 grs bullet up to 1700 fps! 

This text is based on information from “Cartridges of the World”, Hodgdon reloading manual, the cartridge designer and/or own resources.

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350 grs
Winchester 296

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