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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: 36025" data-attributes="member: 306"><p>Goodgrouper, Huntington sells 308 Norma mag brass for around $100 per 100rd bulk. I use a Sinclair 30 cal neck mandel to open the 7mag brass. Redding now makes typs s dies for the 30-338 but not the 308 Norma mag. The best way to explain the 5r barrel is that they radiusing the intersection between the lands and grooves. You get on the net and look for "5r rifle barrels" they have alot of information also look at RIFLE-BARRELS.COM. Tim North makes them and they used to go by the name of Broughton Barrels he make my last one has some kind of problem with the 5r name so uses a 5C instead. Tim not only makes the barrel but he also use them in the 1000yd game. I know Obermeyer and Mike Rock make 5r barrel but can be a long time in getting one I think there are afew other also making the 5r(c) barrels. I average about depending on bullets 150/200fps more with Tim's barrel over standard velocity and figuring on a 30-338 with a 180 gr bullet should be pretty close to 3225/3300fps and you would be using 10gr of powder less than the 300wby. There are alot of guys still using the 308 Norma Mag and it's a fine caliber but brass dried up for a long time and had to form either 300H&H or 300win mag(later). Afew of us that date back to the 60's kind of remember the push for another cal besides the 30-06 and 300wby, fred came out with the 30-338 in 1958, 308 Norma was out think in 1961 and 300win mag in 1963. If you look back in time the 300wby and 308 norma parent case was the 300H&H. Fred just neck down the 338 mag case that came out in 1958 and had Win done that first you wouldn't have the 300win mag. There was such a push for the 300mag back then that the 30-338 and 308 norma got push aside but not forgotten. Those older Browning 308 mags were all good shooter. I think Parker Hale made afew also. This is just reminding me how old I am so best sign off.</p></blockquote><p></p>
[QUOTE="TOM H, post: 36025, member: 306"] Goodgrouper, Huntington sells 308 Norma mag brass for around $100 per 100rd bulk. I use a Sinclair 30 cal neck mandel to open the 7mag brass. Redding now makes typs s dies for the 30-338 but not the 308 Norma mag. The best way to explain the 5r barrel is that they radiusing the intersection between the lands and grooves. You get on the net and look for "5r rifle barrels" they have alot of information also look at RIFLE-BARRELS.COM. Tim North makes them and they used to go by the name of Broughton Barrels he make my last one has some kind of problem with the 5r name so uses a 5C instead. Tim not only makes the barrel but he also use them in the 1000yd game. I know Obermeyer and Mike Rock make 5r barrel but can be a long time in getting one I think there are afew other also making the 5r(c) barrels. I average about depending on bullets 150/200fps more with Tim's barrel over standard velocity and figuring on a 30-338 with a 180 gr bullet should be pretty close to 3225/3300fps and you would be using 10gr of powder less than the 300wby. There are alot of guys still using the 308 Norma Mag and it's a fine caliber but brass dried up for a long time and had to form either 300H&H or 300win mag(later). Afew of us that date back to the 60's kind of remember the push for another cal besides the 30-06 and 300wby, fred came out with the 30-338 in 1958, 308 Norma was out think in 1961 and 300win mag in 1963. If you look back in time the 300wby and 308 norma parent case was the 300H&H. Fred just neck down the 338 mag case that came out in 1958 and had Win done that first you wouldn't have the 300win mag. There was such a push for the 300mag back then that the 30-338 and 308 norma got push aside but not forgotten. Those older Browning 308 mags were all good shooter. I think Parker Hale made afew also. This is just reminding me how old I am so best sign off. [/QUOTE]
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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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