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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
9.3x62 vs 9.3x64
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<blockquote data-quote="7ultra" data-source="post: 71019" data-attributes="member: 2152"><p>Brown Dog,</p><p>Just off hand the rim diameter of the 64 is .492 vs .470 on the 62. Base diameter is .504 vs .473. Case length is 2.52 vs 2.42, making a COL of 3.43 vs 3.29 (for 9.3x64 vs 62). Pretty much what you are looking at is some minor adjustments on a standard long action for the 64. Personally my preference would be for the 9.3 x 62. I don't know how indepth you are looking at for a project gun, but you can buy the 62 from the factory (CZ 550 American). Plus, reloading will be, as you said much simpler. Just running a quick comparison, just looking at midway, you can't even buy 64 brass. Both norma and lapua offer brass for the 62, but as you said, the conversion fo '06 brass is an option. For dies, the 62 has every has several manufacturers of dies, running from lyman, to rcbs, to redding. Now maybe midway just doesn't carry 64 supplies, but I think that given the fairly obscure nature of the cartridge, you are going to pay a premium and run into scarcity issues anywhere you go with the 64. Now this is not to say that the 64 is a bad cartridge, it certainly has the edge on the 62, but the inherent costs associated with it would steer me clear. On a side note, what are you looking to do with this number. While the 64 will deliver 375 like ballistics, the 62 will give you 35 Whelen plus ballistics. Unless you are going after something real big, the animal ain't going to know the difference. There is a reason why the 9.3x62 almost universally escaped the minimum cartridge laws imposed by African governments. It is no wimp when it comes to knockdown.</p></blockquote><p></p>
[QUOTE="7ultra, post: 71019, member: 2152"] Brown Dog, Just off hand the rim diameter of the 64 is .492 vs .470 on the 62. Base diameter is .504 vs .473. Case length is 2.52 vs 2.42, making a COL of 3.43 vs 3.29 (for 9.3x64 vs 62). Pretty much what you are looking at is some minor adjustments on a standard long action for the 64. Personally my preference would be for the 9.3 x 62. I don't know how indepth you are looking at for a project gun, but you can buy the 62 from the factory (CZ 550 American). Plus, reloading will be, as you said much simpler. Just running a quick comparison, just looking at midway, you can't even buy 64 brass. Both norma and lapua offer brass for the 62, but as you said, the conversion fo '06 brass is an option. For dies, the 62 has every has several manufacturers of dies, running from lyman, to rcbs, to redding. Now maybe midway just doesn't carry 64 supplies, but I think that given the fairly obscure nature of the cartridge, you are going to pay a premium and run into scarcity issues anywhere you go with the 64. Now this is not to say that the 64 is a bad cartridge, it certainly has the edge on the 62, but the inherent costs associated with it would steer me clear. On a side note, what are you looking to do with this number. While the 64 will deliver 375 like ballistics, the 62 will give you 35 Whelen plus ballistics. Unless you are going after something real big, the animal ain't going to know the difference. There is a reason why the 9.3x62 almost universally escaped the minimum cartridge laws imposed by African governments. It is no wimp when it comes to knockdown. [/QUOTE]
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9.3x62 vs 9.3x64
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