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Long Range Hunting & Shooting
Extreme spread and standard deviation vs accuracy
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<blockquote data-quote="StumpyJohnson" data-source="post: 2927568" data-attributes="member: 122458"><p>I would tend to disagree slightly with this, I'll conceded that consistency in the reloading process is of the utmost importance. However, I typically see bigger changes as a result of powder than seating depth, all things being equal. And I went down the mandrel route with varying success.</p><p></p><p>I'm betting that PNWdude67, has roughly 10 more years of experience (which counts for more than my observations), BUT...I've been getting great results from hornady's ~$100 Match Grade Die Sets. Believe it or not. I put the appropriate bushing in and leave the expander mandrel on...Now I know I'm slightly overworking the necks possibly, and I know that its heavily dependent on brass thickness.</p><p></p><p>Maybe I'm lucky I guess, but I'm getting roughly .0035 neck tension and nice concentricity. Again it could be luck, but the last 3 caliber's I picked up have all done well with this method. I have a pile of expensive dies and mandrels and bits that lay idle now because of it...but hey its been working. The side benefit is lower costs and a simplified reloading process. </p><p></p><p>1. Tumble brass.</p><p>2. Lube and size with decapping pin and expander button on.</p><p>3. Tumble off Lube</p><p>4. Clean pockets</p><p>5. Trim and Chamfer with the Forster Trimmer in one go.</p><p>6. Charge, Seat, Shoot.</p></blockquote><p></p>
[QUOTE="StumpyJohnson, post: 2927568, member: 122458"] I would tend to disagree slightly with this, I'll conceded that consistency in the reloading process is of the utmost importance. However, I typically see bigger changes as a result of powder than seating depth, all things being equal. And I went down the mandrel route with varying success. I'm betting that PNWdude67, has roughly 10 more years of experience (which counts for more than my observations), BUT...I've been getting great results from hornady's ~$100 Match Grade Die Sets. Believe it or not. I put the appropriate bushing in and leave the expander mandrel on...Now I know I'm slightly overworking the necks possibly, and I know that its heavily dependent on brass thickness. Maybe I'm lucky I guess, but I'm getting roughly .0035 neck tension and nice concentricity. Again it could be luck, but the last 3 caliber's I picked up have all done well with this method. I have a pile of expensive dies and mandrels and bits that lay idle now because of it...but hey its been working. The side benefit is lower costs and a simplified reloading process. 1. Tumble brass. 2. Lube and size with decapping pin and expander button on. 3. Tumble off Lube 4. Clean pockets 5. Trim and Chamfer with the Forster Trimmer in one go. 6. Charge, Seat, Shoot. [/QUOTE]
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Extreme spread and standard deviation vs accuracy
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