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Looks to me like the lugs are locked in the vertical plane. I covered the rear
of each lug with magic marker like you suggested and then worked the bolt
several times and inspected the lugs. One lug had 100% contact and no marker
was left on the lug. The other lug had 99% coverage and some marker was left
on the outside edge of the lug. See picture below.
[IMG]C:\Documents and Settings\Paul\My Documents\My Pictures\cell phone pics\lug contact.lpg[/IMG]
After going back and looking at all of my old targets I would say there is vertical and horizontal stringing for the most part. Only on some loads did
I get just horizontal stringing. Could the muzzle break gases affect the bullet
at the muzzle?
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