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The Range
Ammo & Reloading
Homemade 12 gauge Slug mold
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<blockquote data-quote="swampratt" data-source="post: 3733203" data-attributes="member: 15054"><p>I made one years ago but it was made from all new material including 3+ lbs of thick aluminum and square stock for handles.</p><p>Too heavy and I did not have a drill bit large enough so I wallered the hole to size with carbide bits.</p><p>It worked but poorly.</p><p></p><p>So snow days got me thinking I need a better slug.</p><p></p><p>I found a large bit that would bore a hole almost .800"</p><p></p><p>I need this new mold to cast a bullet in the .720" area.</p><p>I want a bore rider like my last mold was.</p><p>I took that drill bit and made it smaller by grinding it on the bench grinder.</p><p></p><p>I then took a Lee 2 cavity bullet mold I have had for many years and drilled a hole with my new drill bit.</p><p>I did clamp the mold together with vise grips so it would not open up when I was drilling it.</p><p></p><p>After drilling I made a steel mandrel with a slit in it to wrap sandpaper around it and sand this hole just a bit larger and smooth it up.</p><p></p><p>I got it done and cast some pure lead slugs from it.</p><p>I then sized them to .718" and powder coated them.</p><p></p><p>How did I size them?</p><p>That same drill bit was used to drill a hole into a CV axle nut I had laying around and then the sandpaper treatment took to the inside of the nut.</p><p></p><p>Finish sandpaper grit was 320 for the mold and the nut.</p><p></p><p>I made a push through sizer stem by taking a Long tipped 45 cal bullet possibly 300gr and placing it nose down into a sized 45acp case.</p><p>Then took another sized 45acp case and put it over the base of the bullet sticking up in the first case.</p><p></p><p>Now I take my #2 shell holder and slide this sizer stem into it and place a cast bullet in my sizer die (Drilled Nut).</p><p>Then place it under the single stage press hole and push it through the nut.</p><p></p><p>Works like a lee push through sizer die kind of.</p><p></p><p>I did make the nut ID at the entrance larger than in the middle of the nut so I can start the bullet evenly and or square.</p><p>This sizer has only 1/2 a thousandths of runout. I consider that a win.</p><p></p><p>Just a few grains less than 1.5 ounces when finished.</p><p></p><p>Some pictures to explain it all.</p><p></p><p>[ATTACH=full]254993[/ATTACH][ATTACH=full]254994[/ATTACH]</p><p></p><p></p><p>Need to load some up and test them out now.</p><p>Will be a week or so before I get to do that shooting though.</p></blockquote><p></p>
[QUOTE="swampratt, post: 3733203, member: 15054"] I made one years ago but it was made from all new material including 3+ lbs of thick aluminum and square stock for handles. Too heavy and I did not have a drill bit large enough so I wallered the hole to size with carbide bits. It worked but poorly. So snow days got me thinking I need a better slug. I found a large bit that would bore a hole almost .800" I need this new mold to cast a bullet in the .720" area. I want a bore rider like my last mold was. I took that drill bit and made it smaller by grinding it on the bench grinder. I then took a Lee 2 cavity bullet mold I have had for many years and drilled a hole with my new drill bit. I did clamp the mold together with vise grips so it would not open up when I was drilling it. After drilling I made a steel mandrel with a slit in it to wrap sandpaper around it and sand this hole just a bit larger and smooth it up. I got it done and cast some pure lead slugs from it. I then sized them to .718" and powder coated them. How did I size them? That same drill bit was used to drill a hole into a CV axle nut I had laying around and then the sandpaper treatment took to the inside of the nut. Finish sandpaper grit was 320 for the mold and the nut. I made a push through sizer stem by taking a Long tipped 45 cal bullet possibly 300gr and placing it nose down into a sized 45acp case. Then took another sized 45acp case and put it over the base of the bullet sticking up in the first case. Now I take my #2 shell holder and slide this sizer stem into it and place a cast bullet in my sizer die (Drilled Nut). Then place it under the single stage press hole and push it through the nut. Works like a lee push through sizer die kind of. I did make the nut ID at the entrance larger than in the middle of the nut so I can start the bullet evenly and or square. This sizer has only 1/2 a thousandths of runout. I consider that a win. Just a few grains less than 1.5 ounces when finished. Some pictures to explain it all. [ATTACH type="full"]254993[/ATTACH][ATTACH type="full"]254994[/ATTACH] Need to load some up and test them out now. Will be a week or so before I get to do that shooting though. [/QUOTE]
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