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Rifles, Reloading, Optics, Equipment
Reloading
Neck size tension?
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<blockquote data-quote="Bstick" data-source="post: 1362471" data-attributes="member: 72460"><p>I don't sort brass. I size, trim, chamfer, and uniform flash holes. I use Redding FL dies when full length sizing, and a lee collet die with the mandrel turned down for neck sizing. My 7RM loves .0015 neck tension. I tried .003 and .002 with decent results (8-12 SD). I went down to .0015 and now it's in the 2-3 SD. Retumbo has never thrown good ES/SD for me in my 7RM. RL26 is key for me. I would expect RL33 or N570 to work better for you than retumbo or H1000. Don't over think it. 215Ms should be your primer of choice in that rifle with those powders. It's a tad bit hotter ignition than the 250s and seems to be more controlled. It works better with the slower powders.</p></blockquote><p></p>
[QUOTE="Bstick, post: 1362471, member: 72460"] I don’t sort brass. I size, trim, chamfer, and uniform flash holes. I use Redding FL dies when full length sizing, and a lee collet die with the mandrel turned down for neck sizing. My 7RM loves .0015 neck tension. I tried .003 and .002 with decent results (8-12 SD). I went down to .0015 and now it’s in the 2-3 SD. Retumbo has never thrown good ES/SD for me in my 7RM. RL26 is key for me. I would expect RL33 or N570 to work better for you than retumbo or H1000. Don’t over think it. 215Ms should be your primer of choice in that rifle with those powders. It’s a tad bit hotter ignition than the 250s and seems to be more controlled. It works better with the slower powders. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Neck size tension?
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