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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help me choose a caliber
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<blockquote data-quote="benchracer" data-source="post: 968584" data-attributes="member: 22069"><p>One thing to take into account when considering a cartridge like .338 Norma is the case head diameter. It uses a case head similar in size to the .338 Lapua, which is significantly larger than a belted magnum case head or a RUM case head. While it can physically be made to fit, there has been debate about whether or not it leaves enough metal in the tenon area of a conventional off-the-shelf action.</p><p> </p><p>Both Remington and Savage have shoehorned the .338 Lapua into their actions and offer them as factory chamberings. While ostensibly not presenting a safety issue, the Savage in particular, has had some issues that call into question whether a standard sized action is really the right choice for that class of cartridge.</p><p> </p><p>A Winchester model 70 has a shorter magazine than other popular actions such as the Remington 700. If you plan to load long, sleek VLD's of any kind, you should strongly consider having a Wyatt's extended mag box installed, which will allow OAL's of up to 3.850.</p><p> </p><p>If you want to go with a big .338, I think your best choice for a standard factory action is something based on the RUM case. Even so, I would expect some work would be required to make it feed properly.</p><p> </p><p>Overall, however, I believe chambering your rifle for .300 WM and setting it up to take advantage of the .30 cal heavies like the 208 AMAX, 215 Berger Hybrid, and 230 Berger Hybrid would be a surer bet. You won't quite have the punch of the big .338's, but you will have similar reach.</p><p> </p><p>I am in the process of doing something similar with a Mark X, but I don't have the option of going with an extended mag box. It's not a big deal to me, but the advantage in that scenario definitely goes to the Winchester Model 70.</p></blockquote><p></p>
[QUOTE="benchracer, post: 968584, member: 22069"] One thing to take into account when considering a cartridge like .338 Norma is the case head diameter. It uses a case head similar in size to the .338 Lapua, which is significantly larger than a belted magnum case head or a RUM case head. While it can physically be made to fit, there has been debate about whether or not it leaves enough metal in the tenon area of a conventional off-the-shelf action. Both Remington and Savage have shoehorned the .338 Lapua into their actions and offer them as factory chamberings. While ostensibly not presenting a safety issue, the Savage in particular, has had some issues that call into question whether a standard sized action is really the right choice for that class of cartridge. A Winchester model 70 has a shorter magazine than other popular actions such as the Remington 700. If you plan to load long, sleek VLD's of any kind, you should strongly consider having a Wyatt's extended mag box installed, which will allow OAL's of up to 3.850. If you want to go with a big .338, I think your best choice for a standard factory action is something based on the RUM case. Even so, I would expect some work would be required to make it feed properly. Overall, however, I believe chambering your rifle for .300 WM and setting it up to take advantage of the .30 cal heavies like the 208 AMAX, 215 Berger Hybrid, and 230 Berger Hybrid would be a surer bet. You won't quite have the punch of the big .338's, but you will have similar reach. I am in the process of doing something similar with a Mark X, but I don't have the option of going with an extended mag box. It's not a big deal to me, but the advantage in that scenario definitely goes to the Winchester Model 70. [/QUOTE]
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