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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Has anyone really tinkered extensively with the .308 Norma mag or .30-.338??
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<blockquote data-quote="TOM H" data-source="post: 36020" data-attributes="member: 306"><p>goodgrouper, There is a great amount of reloading information on the 30-338, Sierra has some of the better loads out. I think you may be somewhat on the hot side if looking for 3100fps out of the 30-338 or 308 Norma with 180 gr bullets. I think you may want to consider a 5r type barrel as give alittle better velocity. As to reworking an action I'm not a gunsmith so cann't really say one way or another. The 30-338 has made a name for itself in the 1000yd match and you will see it listed every once in awhile. Rem use to make the 40x in 30-338 also. I talked to Fred Jr in the 80's and they still were using the rifle his dad build after that I had my first 30-338 build by K&P using a ruger #1 action with a 1/12 twist for the 165 gr bullets my next one was on a rem 700 action with a 1/10 twist for the 180 gr bullets and in both rifles I'm using H-4831 and with the 180 gr bullets I'm over 3000fps. Both rifles will get groups in the 4's if I do my part. The 1/12 twist will shoot from 150,165 and 180gr bullets all within 1' the 1/10 doesn't like 150 but shoots 165,180 and 200 gr in about 1 1/4". I shot 5 shot grouops of each bullet weight. I kind of knew when I had each rifle build just about what powder I was going to use and only palyed around with different bullets. I only use 7 mag brass and just neck it up. I had an old 308 Norma Mag that I shot back in the 70's it was a good shooter if brass was cheaper now wouldn't be a bad rifle to have. I never chronogaphed that rifle so cann't say as to velocity but did have alittle less case capacity than the 30-338 I used Norma brass. My next 30-338 will have a 5r barrel and be in 1/10 twist and hope it will work with R-19/22. I started out with a 28" barrel on the 700 finally cut it down to 24" just wasn't balance right with the longer barrel and the #1 has a 26" barrel. Well good luck.</p></blockquote><p></p>
[QUOTE="TOM H, post: 36020, member: 306"] goodgrouper, There is a great amount of reloading information on the 30-338, Sierra has some of the better loads out. I think you may be somewhat on the hot side if looking for 3100fps out of the 30-338 or 308 Norma with 180 gr bullets. I think you may want to consider a 5r type barrel as give alittle better velocity. As to reworking an action I'm not a gunsmith so cann't really say one way or another. The 30-338 has made a name for itself in the 1000yd match and you will see it listed every once in awhile. Rem use to make the 40x in 30-338 also. I talked to Fred Jr in the 80's and they still were using the rifle his dad build after that I had my first 30-338 build by K&P using a ruger #1 action with a 1/12 twist for the 165 gr bullets my next one was on a rem 700 action with a 1/10 twist for the 180 gr bullets and in both rifles I'm using H-4831 and with the 180 gr bullets I'm over 3000fps. Both rifles will get groups in the 4's if I do my part. The 1/12 twist will shoot from 150,165 and 180gr bullets all within 1' the 1/10 doesn't like 150 but shoots 165,180 and 200 gr in about 1 1/4". I shot 5 shot grouops of each bullet weight. I kind of knew when I had each rifle build just about what powder I was going to use and only palyed around with different bullets. I only use 7 mag brass and just neck it up. I had an old 308 Norma Mag that I shot back in the 70's it was a good shooter if brass was cheaper now wouldn't be a bad rifle to have. I never chronogaphed that rifle so cann't say as to velocity but did have alittle less case capacity than the 30-338 I used Norma brass. My next 30-338 will have a 5r barrel and be in 1/10 twist and hope it will work with R-19/22. I started out with a 28" barrel on the 700 finally cut it down to 24" just wasn't balance right with the longer barrel and the #1 has a 26" barrel. Well good luck. [/QUOTE]
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Has anyone really tinkered extensively with the .308 Norma mag or .30-.338??
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