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Rifles, Reloading, Optics, Equipment
Reloading
New to reloading 338 Lapua. Using 300 grain Berger with Lapua Brass
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<blockquote data-quote="Okanogan" data-source="post: 1316717" data-attributes="member: 90397"><p>I don't have a 338 LM but am in the process of trying to work up a Berger 300 EH load for my 338 Edge using Bertram brass.</p><p></p><p>In terms of trying to buy only one bushing for reloading, I went the route of buying several sizes just in case I use different brass or don't like the neck tension I am getting due to different spring back. Yes the bushings cost but I don't like sitting around waiting for orders to show up every time I want to change something as minor as a bushing choice. In the overall cost picture for shooting the 338, the bushing is minor. Your suggested starting point of .365 sounds reasonable given the post info but you might want at least one smaller too.</p><p></p><p>The Lupua brass I have for my other rifles is so uniform that I would not try to turn the necks. I bought the K&M turning tools for my 300WM and managed to screw up some Winchester brass while trying to learn how to turn correctly. This convinced me to leave my 300 WM Norma brass alone as it too is pretty high quality.</p><p></p><p>Your range of seating depths to test sounds reasonable and is similar to what I am trying. I would suggest conducting the sequence of testing so that you shoot from largest to smallest jump just in case you experience pressure increase as you get close to the lands. Getting a the right seating depth for my rifle and the 300 EH is currently giving me problems and I may be forced to try 300 SMK or other bullets.</p><p></p><p>I think most people would tell you that the Berger load data for 338 is pretty conservative. For the 338 Edge, it seems common to be loading over the Berger published max for H1000. I think you will be more than safe starting out as you suggest.</p><p></p><p>As far as neck sizing only, I think most published information would suggest full length sizing every time if you want maximum consistency.</p></blockquote><p></p>
[QUOTE="Okanogan, post: 1316717, member: 90397"] I don't have a 338 LM but am in the process of trying to work up a Berger 300 EH load for my 338 Edge using Bertram brass. In terms of trying to buy only one bushing for reloading, I went the route of buying several sizes just in case I use different brass or don't like the neck tension I am getting due to different spring back. Yes the bushings cost but I don't like sitting around waiting for orders to show up every time I want to change something as minor as a bushing choice. In the overall cost picture for shooting the 338, the bushing is minor. Your suggested starting point of .365 sounds reasonable given the post info but you might want at least one smaller too. The Lupua brass I have for my other rifles is so uniform that I would not try to turn the necks. I bought the K&M turning tools for my 300WM and managed to screw up some Winchester brass while trying to learn how to turn correctly. This convinced me to leave my 300 WM Norma brass alone as it too is pretty high quality. Your range of seating depths to test sounds reasonable and is similar to what I am trying. I would suggest conducting the sequence of testing so that you shoot from largest to smallest jump just in case you experience pressure increase as you get close to the lands. Getting a the right seating depth for my rifle and the 300 EH is currently giving me problems and I may be forced to try 300 SMK or other bullets. I think most people would tell you that the Berger load data for 338 is pretty conservative. For the 338 Edge, it seems common to be loading over the Berger published max for H1000. I think you will be more than safe starting out as you suggest. As far as neck sizing only, I think most published information would suggest full length sizing every time if you want maximum consistency. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
New to reloading 338 Lapua. Using 300 grain Berger with Lapua Brass
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