Question about slugging barrels


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Matt Dillon
January 3, 2004, 04:47 PM
Folks, I recently purchased a Mosin Nagant 44, and a 91/30, and a CZ 52. I needed to slug the barrels of each before starting to reload, so I lubricated each barrel, and then lulbricated and drove a buckshot ball down each barrel.
I am asking for advice concerning interpreting my results.
Using electronic calipers, I attempted to measure across the widest area of the buckshot, and took several readings as I rotated the buckshot between the arms of the calipers.

The two Mosin Nagants had measurements from .307-.311, and the CZ 52 had measurements from .307-.310.

Would I be safe using .310 or .311 bullets in the Mosin Nagants, and .308-.311 in the CZ 52?

Thanks so much in advance for your help, Richard

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