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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What is the most overbore cartridge YOU HAVE USED?
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<blockquote data-quote="hawlejr" data-source="post: 3075131" data-attributes="member: 86290"><p>30-378 for me. I also have a .338-378. I have used RL 33, Retumbo, IMR8133, US869, H50BMG, and Norma 217. I think Weatherby uses Norma 217. I've been trying to use long "lead-free" bullets in the .30, and am a little disappointed that the twist is only 1:10". It will stabilize the CX190s, but not the Barnes LRX200.....oh, well, ... Both rifles have stock muzzle brakes. With the magic of the brakes, they actually don't kick as much as a 30-06. </p><p>When I touch it off, I don't feel the sonic pressure wave, but I do feel a heat wave come back my way. I've never felt that with any other rifle ...not even my Lapua. Fellow shooters beside me at the range tell me the noise would make any self-respecting signal canon blush! One thing to watch out for is screwing a .30 muzzle brake on a .338 rifle. I've checked and it is possible on the Accumarks. I'm a range officer, so I get to see a lot of crazy stuff. One unlucky ( or should I say really lucky) fellow brought in a brand new Savage .338 Lapua. First shot caused the attached. The gunshop had installed a .30 cal MB on the .338. When he brought the rifle back to the shop, all they did is unscrew the .30 brake and put on a .338. He showed up a couple months later and all was apparently OK with the rifle itself. I don't know if that's a testament to Savage, or an indictment of the gun shop...I think both! Personally, I would have insisted on a new rifle, and the shop would have been lucky to escape a lawsuit at that!</p></blockquote><p></p>
[QUOTE="hawlejr, post: 3075131, member: 86290"] 30-378 for me. I also have a .338-378. I have used RL 33, Retumbo, IMR8133, US869, H50BMG, and Norma 217. I think Weatherby uses Norma 217. I've been trying to use long "lead-free" bullets in the .30, and am a little disappointed that the twist is only 1:10". It will stabilize the CX190s, but not the Barnes LRX200.....oh, well, ... Both rifles have stock muzzle brakes. With the magic of the brakes, they actually don't kick as much as a 30-06. When I touch it off, I don't feel the sonic pressure wave, but I do feel a heat wave come back my way. I've never felt that with any other rifle ...not even my Lapua. Fellow shooters beside me at the range tell me the noise would make any self-respecting signal canon blush! One thing to watch out for is screwing a .30 muzzle brake on a .338 rifle. I've checked and it is possible on the Accumarks. I'm a range officer, so I get to see a lot of crazy stuff. One unlucky ( or should I say really lucky) fellow brought in a brand new Savage .338 Lapua. First shot caused the attached. The gunshop had installed a .30 cal MB on the .338. When he brought the rifle back to the shop, all they did is unscrew the .30 brake and put on a .338. He showed up a couple months later and all was apparently OK with the rifle itself. I don't know if that's a testament to Savage, or an indictment of the gun shop...I think both! Personally, I would have insisted on a new rifle, and the shop would have been lucky to escape a lawsuit at that! [/QUOTE]
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What is the most overbore cartridge YOU HAVE USED?
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