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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Ultra Mag Info
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<blockquote data-quote="Timber338" data-source="post: 962234" data-attributes="member: 33822"><p>Got great news from my gunsmith today.... he's a couple months ahead of schedule and my 338 RUM is going to be ready in 6 weeks! </p><p></p><p>Since I have RL33, I am going to try it out with the Berger 250. I just looked at Alliant's website, and they list a max charge of 106 grains with a 250 gameking and a 3.59 OAL. Can anybody recommend a safe starting charge? Right now I was just planning on 100 grains to break in the barrel and get a feel for the gun, and then move up from there. Do you guys have different advice here? I've got GM215M primers and Nosler brass, and planning on starting the bullet .005 from the lands, obviously not exactly sure what that OAL will be until I get the rifle, but it's going to be longer than 3.59. Never reloaded for any RUM case, so this huge case capacity is new to me. Should I go lower than 100 grains?</p></blockquote><p></p>
[QUOTE="Timber338, post: 962234, member: 33822"] Got great news from my gunsmith today.... he's a couple months ahead of schedule and my 338 RUM is going to be ready in 6 weeks! Since I have RL33, I am going to try it out with the Berger 250. I just looked at Alliant's website, and they list a max charge of 106 grains with a 250 gameking and a 3.59 OAL. Can anybody recommend a safe starting charge? Right now I was just planning on 100 grains to break in the barrel and get a feel for the gun, and then move up from there. Do you guys have different advice here? I've got GM215M primers and Nosler brass, and planning on starting the bullet .005 from the lands, obviously not exactly sure what that OAL will be until I get the rifle, but it's going to be longer than 3.59. Never reloaded for any RUM case, so this huge case capacity is new to me. Should I go lower than 100 grains? [/QUOTE]
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338 Ultra Mag Info
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