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Load Tuning By Jerry Teo
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<blockquote data-quote="Shootin4fun" data-source="post: 748303" data-attributes="member: 28741"><p>I forgot, I promised someone that instead of buying a new 270, I will spend some time to develop a good load for a new 7mm RM Savage I recently bought. I've broken in the barrel with 40 or 50 factory rounds and have loaded a box of ascending charges. Seating was arbitrary- at the cannelure it turns out the same OAL as a factory Federal 150gr.</p><p> </p><p>I'm starting with IMR4831 and Hdy 139gr BTSP Interlock. 201M. I may shoot the ascending charges round robin like in the OCW method suggests. In any event, I'll look for relative POI with each charge and go from there. </p><p> </p><p>Any suggestions for the 139gr Hdy?</p></blockquote><p></p>
[QUOTE="Shootin4fun, post: 748303, member: 28741"] I forgot, I promised someone that instead of buying a new 270, I will spend some time to develop a good load for a new 7mm RM Savage I recently bought. I've broken in the barrel with 40 or 50 factory rounds and have loaded a box of ascending charges. Seating was arbitrary- at the cannelure it turns out the same OAL as a factory Federal 150gr. I'm starting with IMR4831 and Hdy 139gr BTSP Interlock. 201M. I may shoot the ascending charges round robin like in the OCW method suggests. In any event, I'll look for relative POI with each charge and go from there. Any suggestions for the 139gr Hdy? [/QUOTE]
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