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Rifles, Reloading, Optics, Equipment
Gunsmithing
Chambering the 338 Edge
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<blockquote data-quote="J E Custom" data-source="post: 580658" data-attributes="member: 2736"><p>When building a rifle for a specific bullet you run the risk of it not liking that bullet and you are </p><p>stuck.</p><p></p><p>I recomend chambering to SAMMI specs. and tuning the load to the rifle. I am one of those people that have no fear of free bore. In fact I like it because almost any bullet can be made to shoot</p><p>very well and pressure is not an issue so most of the time higher velocity is achieved because of it.</p><p></p><p>Accuracy is also not an issue with free bore as long as head space is minimum (.000 to .001)</p><p></p><p>I am in the process of testing a new cartrige and it has .100 thousandths of free bore and durring</p><p>break in it was shooting 5 shot groups .381 and after break in it had dropped to .171 5 shots @ 100</p><p>yards. These are fire form loads and and the cases are being expanded from 115 grains capacity</p><p>to 122.3 grains. (an increase of 7.3 grains) and these loads are magazine length( 3.810 COAL).</p><p></p><p>So my advice would be to chamber to a SAMMI standard and work up loads for the rifle.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 580658, member: 2736"] When building a rifle for a specific bullet you run the risk of it not liking that bullet and you are stuck. I recomend chambering to SAMMI specs. and tuning the load to the rifle. I am one of those people that have no fear of free bore. In fact I like it because almost any bullet can be made to shoot very well and pressure is not an issue so most of the time higher velocity is achieved because of it. Accuracy is also not an issue with free bore as long as head space is minimum (.000 to .001) I am in the process of testing a new cartrige and it has .100 thousandths of free bore and durring break in it was shooting 5 shot groups .381 and after break in it had dropped to .171 5 shots @ 100 yards. These are fire form loads and and the cases are being expanded from 115 grains capacity to 122.3 grains. (an increase of 7.3 grains) and these loads are magazine length( 3.810 COAL). So my advice would be to chamber to a SAMMI standard and work up loads for the rifle. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Chambering the 338 Edge
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