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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bullet ogive
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<blockquote data-quote="Whitetail Hunter" data-source="post: 36106" data-attributes="member: 1395"><p>I have read a lot of posts on the OAL 300 RUM. There seems to be big difference from about 3.600 to 3.700. Is this because the bullet ogive for a specific grain changes from lot to lot and manufacturer? I would think that factory rifles 300 RUm Sendero SF would all have about the same length to the lands. Give or take .005 one would think. I know that some want the rounds to fit into the magazine and others single feed, but I would think to a group of rifles made by the same manufacturer would be closer in OAL than that. I guess what I really would like to know is everyone here seems to measure OAL but shouldn't we be measuring from the ogive to the base of the shell.</p></blockquote><p></p>
[QUOTE="Whitetail Hunter, post: 36106, member: 1395"] I have read a lot of posts on the OAL 300 RUM. There seems to be big difference from about 3.600 to 3.700. Is this because the bullet ogive for a specific grain changes from lot to lot and manufacturer? I would think that factory rifles 300 RUm Sendero SF would all have about the same length to the lands. Give or take .005 one would think. I know that some want the rounds to fit into the magazine and others single feed, but I would think to a group of rifles made by the same manufacturer would be closer in OAL than that. I guess what I really would like to know is everyone here seems to measure OAL but shouldn't we be measuring from the ogive to the base of the shell. [/QUOTE]
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Rifles, Bullets, Barrels & Ballistics
bullet ogive
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