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Rifles, Reloading, Optics, Equipment
Gunsmithing
338 Edge Chamber Specs
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<blockquote data-quote="J E Custom" data-source="post: 1334536" data-attributes="member: 2736"><p>There are lots Of variations of the EDGE And there are No standard because they are all wildcats. The original EDGE is simply made by necking up the 300 RUM to 338. there are many others that Have changes to the parent case as mentioned with longer/shorter Throats,</p><p>More or less Freebore, Different lead angles, Different shoulder angles, ETC so you will have to decide what you want.</p><p></p><p>The simple choice is to go with the first Edge (A 300 Necked up to 338) Because it will fit the magazine and performance will be within 100 ft/sec of the others loaded to max SAMMI pressures.</p><p></p><p>Reamer for this cartridge are easy to find and normally trouble free. Also fire forming the brass is very easy. all you have to do is size the neck up without moving the shoulder and you are good to go.</p><p></p><p>You can get tricky with the changes, but you gain very little except problems. Start with the basic Edge and then decide if you want more. There is one change that helps the Edge without changing</p><p>everything else and that is the 338 Edge AI (Still the same COAL, but with more case capacity and a better shoulder design.</p><p></p><p>Just My Opinion</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1334536, member: 2736"] There are lots Of variations of the EDGE And there are No standard because they are all wildcats. The original EDGE is simply made by necking up the 300 RUM to 338. there are many others that Have changes to the parent case as mentioned with longer/shorter Throats, More or less Freebore, Different lead angles, Different shoulder angles, ETC so you will have to decide what you want. The simple choice is to go with the first Edge (A 300 Necked up to 338) Because it will fit the magazine and performance will be within 100 ft/sec of the others loaded to max SAMMI pressures. Reamer for this cartridge are easy to find and normally trouble free. Also fire forming the brass is very easy. all you have to do is size the neck up without moving the shoulder and you are good to go. You can get tricky with the changes, but you gain very little except problems. Start with the basic Edge and then decide if you want more. There is one change that helps the Edge without changing everything else and that is the 338 Edge AI (Still the same COAL, but with more case capacity and a better shoulder design. Just My Opinion J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
338 Edge Chamber Specs
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