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247gr case boolit load data needed

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07-11-2012, 02:42 AM

sten668

sten668 is offline

Junior Member

Join Date: Mar 2005

Location: SE-ID

Posts: 26

I have tried 10 grains of 5744 and 1680 for right at 1050fps , 16in M1S barell, carbine gas tube, neither load will hold the bolt open on last shot. They will strip a fresh round most of the time. Still a work in progress, I am working on an adjustable spring set up. It loves TNTs super sonic. BTW 5744 is much more quiet than the 1680 out of the AR or my bolt gun.

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