Measure oal from ogive?

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Measure oal from ogive?

Postby smokinjoe » Wed Jul 17, 2019 6:54 am

Do you need to use a comparator for reloading the .450 bushmaster in a bolt gun and is there a .452 available ?
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Re: Measure oal from ogive?

Postby Hoot » Thu Jul 18, 2019 9:28 am

Welcome Aboard Joe!

No, not really that critical a caliber and I don't know anyone who loads into the lands. I just keep a "distance to lands" list for each bullet I use with the 450b. I just make sure the COL is at least .05 below the limit. The Hornady 300gr XTP Mag is the only bullet I ever used that would reach the lands before hitting 2.26 COL. Then again, that was for an AR platform. I'd imagine that if I had 2.40 or more to work with, other bullets would be into the lands as well. I have experimented with trying to tune the load for max accuracy using different seating depths and never saw an appreciable change worth pursuing.

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