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Old May 12, 2012, 12:59 AM   #19
riverrat38
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Join Date: January 24, 2012
Location: La Conner, WA
Posts: 69
Tom

Its possible your loading them too light for plated bullets. It seems to take higher pressures to get plated bullets to obturate, just like with harder alloys of lead. My groups tightened up when I increased the load some. The pressure has to be able to compress the bullet to get a good seal in the bore. I have also stuck a Rainier plated wadcutter in the bore of my S&W M14 due to using too light a load. Barry warns abut this with the wadcutters. I was also getting "keyholing" with some of the light loads. I am getting the best accuracy when I load .38 Special to plus P levels.

rat
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