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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Montana or weatherby?
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<blockquote data-quote="Hired Gun" data-source="post: 1316009" data-attributes="member: 1290"><p>I suspect your issue was ammo related more than a Weatherby issue. Not extracting or able to fully chamber rounds is an out of spec belted case issue. I sell a lot of new guns on the side and Remington's are having a horrendous issue with 7 Rem Mag and 300 Win mag rifles right now. Especially the Sendero's. Some are going back 2 and 3 times and still not fully solving the extraction issues. They are just honing the chambers larger and larger to get them to work. Not a problem with the 300 RUM or the non belted cases. </p><p> </p><p>I recently got a Willis <span style="font-family: 'Arial'">Belted Magnum Collet Resizing Die</span> <u><u><a href="http://www.larrywillis.com/" target="_blank">Innovative Technologies - Reloading Equipment</a></u></u> and it completely solves the issue but it needs to be used regularly. It has a gauge built into the top of it. I was able to save about 200 belted mag cases that would no longer chamber. </p><p> </p><p>To my knowledge Weatherby hasn't changed the free bore specifications. They are Saami spec to the following. These are current right from the Weatherby site.</p><p> </p><p>CartridgeThroat length (free bore)</p><p>224 Weatherby Magnum .162</p><p>240 Weatherby Magnum .169</p><p>257 Weatherby Magnum .378</p><p>270 Weatherby Magnum .378</p><p>7MM Weatherby Magnum .378</p><p>300 Weatherby Magnum .361</p><p>340 Weatherby Magnum .373</p><p>375 Weatherby Magnum .373</p><p>378 Weatherby Magnum .756</p><p>416 Weatherby Magnum .239</p><p>460 Weatherby Magnum .756</p><p>30-378 Weatherby Magnum .361</p><p>338-378 Weatherby Magnum .361</p></blockquote><p></p>
[QUOTE="Hired Gun, post: 1316009, member: 1290"] I suspect your issue was ammo related more than a Weatherby issue. Not extracting or able to fully chamber rounds is an out of spec belted case issue. I sell a lot of new guns on the side and Remington's are having a horrendous issue with 7 Rem Mag and 300 Win mag rifles right now. Especially the Sendero's. Some are going back 2 and 3 times and still not fully solving the extraction issues. They are just honing the chambers larger and larger to get them to work. Not a problem with the 300 RUM or the non belted cases. I recently got a Willis [FONT=Arial]Belted Magnum Collet Resizing Die[/FONT] [U][U][URL="http://www.larrywillis.com/"]Innovative Technologies - Reloading Equipment[/URL][/U][/U] and it completely solves the issue but it needs to be used regularly. It has a gauge built into the top of it. I was able to save about 200 belted mag cases that would no longer chamber. To my knowledge Weatherby hasn't changed the free bore specifications. They are Saami spec to the following. These are current right from the Weatherby site. CartridgeThroat length (free bore) 224 Weatherby Magnum .162 240 Weatherby Magnum .169 257 Weatherby Magnum .378 270 Weatherby Magnum .378 7MM Weatherby Magnum .378 300 Weatherby Magnum .361 340 Weatherby Magnum .373 375 Weatherby Magnum .373 378 Weatherby Magnum .756 416 Weatherby Magnum .239 460 Weatherby Magnum .756 30-378 Weatherby Magnum .361 338-378 Weatherby Magnum .361 [/QUOTE]
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