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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM load development questions
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<blockquote data-quote="Tidesloe" data-source="post: 747247" data-attributes="member: 47761"><p>Lefty I sure would like to hear how you get loads to 1/2 in 9 rounds. Are you loading for single shot or mag length.</p><p></p><p>What I did with the 180 Accubonds, I just started at. .020 off lands started at bottom of data in Nosler manual and went up to max in 1 gr increments. Thats 5 loads of 3 rnds each. Did a round robin test at 100. The top 3 looked promising, so I loaded 3 round each from 79 to 82 gr in 1/2 gr increments. Thats 5 more loads of 3 rnds. 81- 82 all looked good with the max of 82 gr IMR 4350. Printing identically both times at just under 1/2". Exact same POI. 1 week between tests, but similar conditions</p><p>'M up to 30 rnds before I've even started testing seating depth. I've thinking I'm gonna go through that many rounds getting my seating depth right.</p><p>If I'm getting the Accubonds seated without runout, should I just start at mag length, and start over at 79 to 82 gr in 1/2 gr increments?</p><p>I am separating brass by weight, and making sure they are all squared to same length</p></blockquote><p></p>
[QUOTE="Tidesloe, post: 747247, member: 47761"] Lefty I sure would like to hear how you get loads to 1/2 in 9 rounds. Are you loading for single shot or mag length. What I did with the 180 Accubonds, I just started at. .020 off lands started at bottom of data in Nosler manual and went up to max in 1 gr increments. Thats 5 loads of 3 rnds each. Did a round robin test at 100. The top 3 looked promising, so I loaded 3 round each from 79 to 82 gr in 1/2 gr increments. Thats 5 more loads of 3 rnds. 81- 82 all looked good with the max of 82 gr IMR 4350. Printing identically both times at just under 1/2". Exact same POI. 1 week between tests, but similar conditions 'M up to 30 rnds before I've even started testing seating depth. I've thinking I'm gonna go through that many rounds getting my seating depth right. If I'm getting the Accubonds seated without runout, should I just start at mag length, and start over at 79 to 82 gr in 1/2 gr increments? I am separating brass by weight, and making sure they are all squared to same length [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM load development questions
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