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Rifles, Reloading, Optics, Equipment
Reloading
Seating Depth Testing
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<blockquote data-quote="Laguna Freak" data-source="post: 1947203" data-attributes="member: 87188"><p>This thread and the PRB articles piqued my interest enough to switch gears in my 30-06 150 Nosler BT load development from starting with charge weight basis to first establishing seating depth. So, the attached 100 yard targets reflect that transition in my process.</p><p></p><p>The rifle is my 20 year old Steyr Pro Hunter which has always shot 1.6" to 1.75" groups at 200 yards with 180 grain Winchester Silver Tip factory ammo. It never shot lighter bullet factory loads as good. So, I decided to develop a 150 gr hand load.</p><p></p><p>The first target was the culmination of charge weight development. MV = 3,000+/-</p><p> fps. 0.020 jump</p><p></p><p>The 2nd target was 5 shot group with charge weight in the potential "lower node" at 0.015 jump. </p><p></p><p>The next two targets is where I changed gears to establishing seating depth first;</p><p> 3rd target is self-explanatory.</p><p> 4th target is 4 shot groups in a potential "lower node" charge weight. I selected this charge weight based in part on results not showed here in attempt to tighten up the groups with seating depth.</p><p></p><p>I'm curious where the LRH seating depth brain-trust would recommend I go from here in light of these results.</p><p>[ATTACH=full]205230[/ATTACH][ATTACH=full]205231[/ATTACH][ATTACH=full]205232[/ATTACH][ATTACH=full]205233[/ATTACH]</p></blockquote><p></p>
[QUOTE="Laguna Freak, post: 1947203, member: 87188"] This thread and the PRB articles piqued my interest enough to switch gears in my 30-06 150 Nosler BT load development from starting with charge weight basis to first establishing seating depth. So, the attached 100 yard targets reflect that transition in my process. The rifle is my 20 year old Steyr Pro Hunter which has always shot 1.6" to 1.75" groups at 200 yards with 180 grain Winchester Silver Tip factory ammo. It never shot lighter bullet factory loads as good. So, I decided to develop a 150 gr hand load. The first target was the culmination of charge weight development. MV = 3,000+/- fps. 0.020 jump The 2nd target was 5 shot group with charge weight in the potential "lower node" at 0.015 jump. The next two targets is where I changed gears to establishing seating depth first; 3rd target is self-explanatory. 4th target is 4 shot groups in a potential "lower node" charge weight. I selected this charge weight based in part on results not showed here in attempt to tighten up the groups with seating depth. I'm curious where the LRH seating depth brain-trust would recommend I go from here in light of these results. [ATTACH type="full"]205230[/ATTACH][ATTACH type="full"]205231[/ATTACH][ATTACH type="full"]205232[/ATTACH][ATTACH type="full"]205233[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Seating Depth Testing
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