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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM load development questions
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<blockquote data-quote="Lefty7mmstw" data-source="post: 747306" data-attributes="member: 48043"><p>I have a few hundred rounds through my 30 rum now and it is very predictable. I'll usually shoot a low, mid, and top charge at 3.650" (just inside of max. mag length) and at least one of the groups will fall inside of 2/3 moa. I use only hornady bullets in this rifle as it seems to favor them. I'm using rem brass(necked up) left-over from my retired 7rum and 215 primers. I've been burning rl series powders with rl25, rl33, and rl50 all used. The only times I've gone over 12 rounds is when there was no data at all to start with, ie. when I was working with mil. surp. powder or rl50. Those took 18-21 rounds to get to pressure and find accuracy. </p><p>Playing with seating depth and using very small charge variations can at times be beneficial but is often used as a band-aid for the barrel not really liking the bullet.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 747306, member: 48043"] I have a few hundred rounds through my 30 rum now and it is very predictable. I'll usually shoot a low, mid, and top charge at 3.650" (just inside of max. mag length) and at least one of the groups will fall inside of 2/3 moa. I use only hornady bullets in this rifle as it seems to favor them. I'm using rem brass(necked up) left-over from my retired 7rum and 215 primers. I've been burning rl series powders with rl25, rl33, and rl50 all used. The only times I've gone over 12 rounds is when there was no data at all to start with, ie. when I was working with mil. surp. powder or rl50. Those took 18-21 rounds to get to pressure and find accuracy. Playing with seating depth and using very small charge variations can at times be beneficial but is often used as a band-aid for the barrel not really liking the bullet. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM load development questions
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