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Rifles, Reloading, Optics, Equipment
Gunsmithing
7mm Dakota
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<blockquote data-quote="284stak" data-source="post: 195816" data-attributes="member: 8891"><p>Hey guys,</p><p>I did a wildcat based off the 300 and 330 Dakota necked down to 7mm with a 40 degree shoulder and minimal taper--- if I had it to do over again, would have went with a 35 deg shoulder with more taper, as with hot loads have seen extraction problems which seem to just pop up without warning. As such, I tend to load the cartridges about 75 fps below a sticky bolt lift. My 140 accubonds are loaded to 3350 and have over 8 reloadings with the 330 brass.</p><p>Some of Kirby Allens smaller Xpress cartridges are based off the 300Dakota.</p><p>The Norma brass used in the 7Dak and 330Dak are very consistent; however, they tend to be soft, so if you want to keep the cases around you will not be able to load them very hot. The 300Dak is not made by Norma, Dakota is in the process of having Hornady make the 300 brass.</p></blockquote><p></p>
[QUOTE="284stak, post: 195816, member: 8891"] Hey guys, I did a wildcat based off the 300 and 330 Dakota necked down to 7mm with a 40 degree shoulder and minimal taper--- if I had it to do over again, would have went with a 35 deg shoulder with more taper, as with hot loads have seen extraction problems which seem to just pop up without warning. As such, I tend to load the cartridges about 75 fps below a sticky bolt lift. My 140 accubonds are loaded to 3350 and have over 8 reloadings with the 330 brass. Some of Kirby Allens smaller Xpress cartridges are based off the 300Dakota. The Norma brass used in the 7Dak and 330Dak are very consistent; however, they tend to be soft, so if you want to keep the cases around you will not be able to load them very hot. The 300Dak is not made by Norma, Dakota is in the process of having Hornady make the 300 brass. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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7mm Dakota
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