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Rifles, Reloading, Optics, Equipment
Gunsmithing
458 Short mag
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<blockquote data-quote="J E Custom" data-source="post: 1888897" data-attributes="member: 2736"><p>Up date :</p><p>several years ago I also built another short mag buy trimming the case length .250 Thousandths, for using the 350 FTX and after checking the records found that the 8 mm rem mag cases would work</p><p>By trimming the neck and shoulder to 2. 250 and running them through the 458 Sizing dies, so this added another case to use for the the 458 short mag and the 350 grain bullets kept the pressure down even at 2600 to 2700 ft/sec.</p><p></p><p>It also allowed the use of older actions that were designed around 45,000 to 50,000 cup/psi.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1888897, member: 2736"] Up date : several years ago I also built another short mag buy trimming the case length .250 Thousandths, for using the 350 FTX and after checking the records found that the 8 mm rem mag cases would work By trimming the neck and shoulder to 2. 250 and running them through the 458 Sizing dies, so this added another case to use for the the 458 short mag and the 350 grain bullets kept the pressure down even at 2600 to 2700 ft/sec. It also allowed the use of older actions that were designed around 45,000 to 50,000 cup/psi. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
458 Short mag
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