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Rifles, Reloading, Optics, Equipment
Reloading
Help or suggestions with 308 load development
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<blockquote data-quote="jimwest" data-source="post: 1753814" data-attributes="member: 99028"><p>165 grain Speer BTSP, Savage 26" varmint barrel, once fired Lake City brass, CCI 200 primers, IMR 4895, Bullet concentricity was within .002 inch. Full length sized without expander and then expander mandrel used to set neck size.</p><p></p><p>Hi all, I'm looking for some advice/suggestions on this load development. It's not my first, but in the past I didn't gather as much data as I have done with this load. I assumed that the load with the tightest group size was the one to go with. The Speer 165 grain my not be my first bullet of choice, but it's the one I chose for this load development. My expectations are for this load to be effective out to 500 yards max. Anything further than 500 would approach or exceed my confidence level. I'm looking at loads between 41.4 and 41.6 as having the greatest potential. Bullets were seated .0020 off lands for all. Is my next best move to load at 41.4 and 41.6 but change seating depth?</p><p></p><p>Graph: Velocity vs load (also SD listed, example) </p><p>41.2,SD:13.4</p></blockquote><p></p>
[QUOTE="jimwest, post: 1753814, member: 99028"] 165 grain Speer BTSP, Savage 26” varmint barrel, once fired Lake City brass, CCI 200 primers, IMR 4895, Bullet concentricity was within .002 inch. Full length sized without expander and then expander mandrel used to set neck size. Hi all, I’m looking for some advice/suggestions on this load development. It’s not my first, but in the past I didn’t gather as much data as I have done with this load. I assumed that the load with the tightest group size was the one to go with. The Speer 165 grain my not be my first bullet of choice, but it’s the one I chose for this load development. My expectations are for this load to be effective out to 500 yards max. Anything further than 500 would approach or exceed my confidence level. I’m looking at loads between 41.4 and 41.6 as having the greatest potential. Bullets were seated .0020 off lands for all. Is my next best move to load at 41.4 and 41.6 but change seating depth? Graph: Velocity vs load (also SD listed, example) 41.2,SD:13.4 [/QUOTE]
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Help or suggestions with 308 load development
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