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Old August 28, 2012, 07:05 AM   #1
jwrowland77
Senior Member
 
Join Date: March 23, 2012
Location: Conway, Arkansas
Posts: 1,398
OAL, Ogive, Comparator

Ok I'm a newbie (reloading for only 5 months, only around 1k rounds under my belt) but I think I'm turning the corner.

I started this thread to see if I was on the right course or not.

When seating a bullet at a given OAL, it could seat deeper or shallower depending on if the bullet you used to set you OAL has the same ogive. If they don't, it could have a little longer or little shorter OAL.

The only way to be able to tell if it is the same distance from the lands, is to use a comparator, which measures from the ogive. I'm asking because I am trying to load more accurate ammo for my daughters .223 and for me 7mm RM and trying to make sure I have around a .02 jump.

I'm assuming that "match" bullets are more consistent in the making process, making the bullets in that lot almost identical (ogive, length, weight), which equals consistency when trying to shoot a match.

Am I on the right track of thought or not?
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