The extra thick "band" on industrial hulls must be swaged (compressed) to the normal size of a sporting 8 gauge brass part of the hull. The band is there so that one doesn't try to shoot a high pressure industrial round through an old sporting gun.
For this I will recommend two options. There are however a bunch of homemade solutions that others use.
The first recommended option is a set of C-H 8 gauge forming dies. The photo is of their normal 2-die set which swages down the industrial band to fit into English chambers. The trouble is that Parkers have a smaller diameter chamber! I special ordered from C-H a third, smaller die to fit my Parkers. The rod is to ram the sized hull out of the dies!
I use my 40+ year old RCBS Rock Chucker press for this. The 8 gauge dies are 1" so the 1" to 7/8" reducing flange must be removed from the press.
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Don't hunt with a gun that will embarrass your dog!
USMC Retired
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Last edited by Mark Ouellette; 10-12-2015 at 12:59 PM..
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