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A Savage No.4 Mk I, being fed 190 grain cast bullets, with gas checks and a diameter of .314. Powder charge was 30.9 grains of Winchester 760.
At 100 yards, with five shot groups I had a frequent pattern of 3 round inside 3 inches, and two round within 3 inches, with a gap of about 6-8 inches between the two.
I have a feeling I'll need to look at the bedding on this rifle. Perhaps a touch of Brownell's Acraglas.......