Just tried out my new Lorenz Wilkenson bullet today. The barrel twist on it is 1 in 78 which from what I read is pretty slow. Pedersoli says they copied the original. I found I could only get a decent group using 64 grains of Swiss 3F! I was advised that with that slow of twist I needed either a very light bullet or a powerful powder charge to get a faster spin to stabilize the bullet(410 grain bullet). Any comments?
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