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Rifles, Reloading, Optics, Equipment
Reloading
.308 Norma mag brass
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<blockquote data-quote="baldhunter" data-source="post: 2199043" data-attributes="member: 11853"><p>I'm having a 308 Norma Mag being built.I got my dies so I made some brass for it to see what works best.I have a lot of once-fired 7mag brass,so I tried it first.Necking up the 7mag brass was easy.They come up with a little shorter necks because 7mag brass max length is 2.500 inches where 308 Norma brass is max length of 2.620 inches.I have some 338 Win Mag brass,I necked it down.Like the 7mag,it was easy,but brass was short too because the 7mag is really just a necked down 338 Win Mag.Next I ran a 300 Win Mag brass through the die.This was by far the hardest way to make the 308 Norma brass.It reworks the shoulder and neck way more than the other two.300 Win Mag brass also gives you longer case that has to be trimmed back to 308 Norma Mag length.Then you also have the option of buying 308 Norma Mag brass if you can find it.So really you do have options.Short neck lengths don't really affect accuracy as far as I can tell.Chambers that I have seen have a generous amount of room for brass to grow beyond max case length.Here is a picture I took with my bore scope with an empty max length case chambered in one of my rifles.</p></blockquote><p></p>
[QUOTE="baldhunter, post: 2199043, member: 11853"] I'm having a 308 Norma Mag being built.I got my dies so I made some brass for it to see what works best.I have a lot of once-fired 7mag brass,so I tried it first.Necking up the 7mag brass was easy.They come up with a little shorter necks because 7mag brass max length is 2.500 inches where 308 Norma brass is max length of 2.620 inches.I have some 338 Win Mag brass,I necked it down.Like the 7mag,it was easy,but brass was short too because the 7mag is really just a necked down 338 Win Mag.Next I ran a 300 Win Mag brass through the die.This was by far the hardest way to make the 308 Norma brass.It reworks the shoulder and neck way more than the other two.300 Win Mag brass also gives you longer case that has to be trimmed back to 308 Norma Mag length.Then you also have the option of buying 308 Norma Mag brass if you can find it.So really you do have options.Short neck lengths don't really affect accuracy as far as I can tell.Chambers that I have seen have a generous amount of room for brass to grow beyond max case length.Here is a picture I took with my bore scope with an empty max length case chambered in one of my rifles. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
.308 Norma mag brass
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