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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bore wear on Weatherby 338/378
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<blockquote data-quote="Long Time Long Ranger" data-source="post: 510707" data-attributes="member: 505"><p>I load mine hot and get about five shots out of the brass. You could easily start at the 104 grains with Retumbo and be fine. The beauty of the 338-378 is that it will outperform the others if you want to load it for that. But in the 2800's where the others shoot it is very light loaded and the brass will last forever. The hotter fed 215 primer will help burn all that slow burning powder and give you a better load. </p><p> </p><p>96 grains of RE 25 is way to light a load. I shoot 116 grains of H-870 with the 300 smk and mine came in best between 108-112 grains of Retumbo. I have some old loads with numerous slow powders that I could look up. Every rifle is different and depending on your chamber loads can be several grains apart. But if you have a wby rifle you should be OK. If it is a custom chamber then work up carefully because there are numerous reamers out there from this thing being wildcatted for many years before wby brought it out.</p></blockquote><p></p>
[QUOTE="Long Time Long Ranger, post: 510707, member: 505"] I load mine hot and get about five shots out of the brass. You could easily start at the 104 grains with Retumbo and be fine. The beauty of the 338-378 is that it will outperform the others if you want to load it for that. But in the 2800's where the others shoot it is very light loaded and the brass will last forever. The hotter fed 215 primer will help burn all that slow burning powder and give you a better load. 96 grains of RE 25 is way to light a load. I shoot 116 grains of H-870 with the 300 smk and mine came in best between 108-112 grains of Retumbo. I have some old loads with numerous slow powders that I could look up. Every rifle is different and depending on your chamber loads can be several grains apart. But if you have a wby rifle you should be OK. If it is a custom chamber then work up carefully because there are numerous reamers out there from this thing being wildcatted for many years before wby brought it out. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bore wear on Weatherby 338/378
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