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lengthened .25 acp

  1. .250"/6.35mm Groove diameter Rifle cartridges

    Wildcat Cartridges
    I am in the middle of an Experimental Investigation of possible lengthened .25 ACP or 6.35 Browning into a light rifle cartridge. So far it looks like reforming .22 Hornet cases will yield brass that will work (after resize, base machining, and trimming to suitable length(s)). Also I have found...