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just learning said:
what exactly is the O give how do you check???? :D
Ogive (pronounced: oh-give) Refers to the nose shape of a bullet. The radius of the curve of a bullet nose.

from Lymans 47th Edition Reloading Handbook.

Jim
 

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You don't really check it. You can check where the rifling makes contact with it. Thats usefull in determining OAL. KN
 

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I have a set of comparators that fit onto my caliper that is supposed to measure to the ogive of the bullet. I bought the set from Midway at a fairly reasonable price as I recall.

:wink:
 
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