7mm is a fair ol jump. Id guess the pill may well have nothing supporting it once it leaves the neck and is getting into the rifling. Have you tried any flat base pills? Don't even know of they are made in 20cal.
7mm is a fair ol jump. Id guess the pill may well have nothing supporting it once it leaves the neck and is getting into the rifling. Have you tried any flat base pills? Don't even know of they are made in 20cal.
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