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Rifles, Reloading, Optics, Equipment
Reloading
Need guidance...case neck thickness
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<blockquote data-quote="30BR" data-source="post: 1569574" data-attributes="member: 64079"><p>1) Take however many new brass cases you want to shoot.</p><p>2) Run them over the EXPANDER MANDREL to make the brass ID match the cutter post's OD.</p><p>3) Trim all to a UNIFORM LENGTH. Deburr in and out.</p><p>4) Lube the cutter, and start to adjust it for depth of cut and length of cut. (DO use a power tool: I would not try this by hand.) Don't try and take too much off in one pass. It will make a lot of heat in the tools, which will expand a tad, thereby making some brass thinner than others.</p><p>5) Assuming a factory chamber: Cut until ALMOST the entire circumference of the neck is shaved. You should have some 20% or so of untouched neck to be safe.</p><p>6) Having set your depth, now set the length. (Follow mfg's instructions). You want the cutter to just KISS the shoulder. (Donuts form when thick shoulder brass flows up into the now thinned neck after several firings). Keep the tool or the necks lubed unless you know what you are doing, and at this point, you don't.</p><p>7) Keep something cool handy to rest the cutter on to keep its temp as consistent as you can. Keep the cutter clean and run the tool SLOWLY.</p><p>8) Take some fine steel wool to the neck after you've cut it to smooth the cut.</p><p>9) Clean the lube off the inside of the neck, load and fire.</p><p>For more info try this:</p><p><a href="https://www.accurateshooter.com/technical-articles/neck-turning-basics/" target="_blank">https://www.accurateshooter.com/technical-articles/neck-turning-basics/</a></p><p>Hope that helped.</p><p>PS - I don't ream. It buggers the inside case neck with the tools I had, so I stopped.</p></blockquote><p></p>
[QUOTE="30BR, post: 1569574, member: 64079"] 1) Take however many new brass cases you want to shoot. 2) Run them over the EXPANDER MANDREL to make the brass ID match the cutter post's OD. 3) Trim all to a UNIFORM LENGTH. Deburr in and out. 4) Lube the cutter, and start to adjust it for depth of cut and length of cut. (DO use a power tool: I would not try this by hand.) Don't try and take too much off in one pass. It will make a lot of heat in the tools, which will expand a tad, thereby making some brass thinner than others. 5) Assuming a factory chamber: Cut until ALMOST the entire circumference of the neck is shaved. You should have some 20% or so of untouched neck to be safe. 6) Having set your depth, now set the length. (Follow mfg's instructions). You want the cutter to just KISS the shoulder. (Donuts form when thick shoulder brass flows up into the now thinned neck after several firings). Keep the tool or the necks lubed unless you know what you are doing, and at this point, you don't. 7) Keep something cool handy to rest the cutter on to keep its temp as consistent as you can. Keep the cutter clean and run the tool SLOWLY. 8) Take some fine steel wool to the neck after you've cut it to smooth the cut. 9) Clean the lube off the inside of the neck, load and fire. For more info try this: [URL]https://www.accurateshooter.com/technical-articles/neck-turning-basics/[/URL] Hope that helped. PS - I don't ream. It buggers the inside case neck with the tools I had, so I stopped. [/QUOTE]
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Need guidance...case neck thickness
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