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Rifles, Reloading, Optics, Equipment
7mm STW
Peterson Brass Belted Mag Basic Unprimed Box of 50
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<blockquote data-quote="thekyrifleman" data-source="post: 2905368" data-attributes="member: 67984"><p>I've made 7STW from 416 REM, 375H&H and 300H&H, as well as the parent the Rem 8mm mag which was the standard before it was commercialized. The 416 is tricky, at least for me, several inserts into a 375 neck die, with plenty of lube, to keep the shoulder from collapsing, then into my 8mag die, then the 7STW fireform and ready to go. I think in the long run, the 375 are the easiest, One pass through the 8Mag FL die, then the 7STW neck siizing die, fireform and then ready to go.</p><p>Thiss was all with Norma brass, because /rem at the time was impossible to find. I have not tried any annealing yet, that is next.</p><p>The case length in the 416 case grows considerably and depending on your chamber length may require trimming. Mine did.</p><p>Enjoy!</p></blockquote><p></p>
[QUOTE="thekyrifleman, post: 2905368, member: 67984"] I’ve made 7STW from 416 REM, 375H&H and 300H&H, as well as the parent the Rem 8mm mag which was the standard before it was commercialized. The 416 is tricky, at least for me, several inserts into a 375 neck die, with plenty of lube, to keep the shoulder from collapsing, then into my 8mag die, then the 7STW fireform and ready to go. I think in the long run, the 375 are the easiest, One pass through the 8Mag FL die, then the 7STW neck siizing die, fireform and then ready to go. Thiss was all with Norma brass, because /rem at the time was impossible to find. I have not tried any annealing yet, that is next. The case length in the 416 case grows considerably and depending on your chamber length may require trimming. Mine did. Enjoy! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
7mm STW
Peterson Brass Belted Mag Basic Unprimed Box of 50
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