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Rifles, Reloading, Optics, Equipment
Gunsmithing
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<blockquote data-quote="Mike Matteson" data-source="post: 2529150" data-attributes="member: 101791"><p>Only chamber one barrel. The other is here with me at home rapped up. I have no complain on the costs of the having a rifle built. This is the first time I had a reamer built for the job. In the neck area it ended up a little tighter than wanted. I was looking for .013 thickness (total of .026) instead of .012 thickness (total of .024)in the neck area only. I got to checking the two fired case and one was at .012 presently. That has me concerned that I might have to reduce the thickness to .011, (total of .022) and seem to be on the thin side. So I was looking into having a new reamer built. The smith told be that the present reamer can be rework to adjust for that. He when into how it's done. I found that to be interesting. The next time I have a reamer built I will give some additional info on what I want.</p><p>What had happen I got to looking at the bill on the work and noted I was bill for two barrel work. I only had one done. So the cost for chambering, stamping the barrel, and threading the barrel for a muzzle brake or suppressor. The change is $440.00 per barrel. So I get back that much back. </p><p>The detail I used was from a Sierra Manual picture showing a 280AI case and bullet. I am able to modify the picture to reflect a different neck sizes for 6mm, and dimensions. Showing .243 bullet Dia, and .269 for the totally OD dimensions with the case neck. I was told that the reamer builder would allow for clearance. Next time I will be sure in calling and additional .002 for clearance after case is fired. Live and learn. For this cartridge I should have called out .271 to stop a possible problem I think. If I am wrong please let me know. I am on a learning curve. </p><p>I am just about ready to start shooting the rifle. I will go very slow to start with only cutting a few case to .012 thickness, and see how the case extracts after firing the round, and watching for pressure signs. The first hundred rounds will be for fireforming the cases. I'll see what kind of monster I have created. My pin to paper isn't the greatest. I am dyslexia, so I don't know which eye I am looking out of. Ha! Ha!.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 2529150, member: 101791"] Only chamber one barrel. The other is here with me at home rapped up. I have no complain on the costs of the having a rifle built. This is the first time I had a reamer built for the job. In the neck area it ended up a little tighter than wanted. I was looking for .013 thickness (total of .026) instead of .012 thickness (total of .024)in the neck area only. I got to checking the two fired case and one was at .012 presently. That has me concerned that I might have to reduce the thickness to .011, (total of .022) and seem to be on the thin side. So I was looking into having a new reamer built. The smith told be that the present reamer can be rework to adjust for that. He when into how it's done. I found that to be interesting. The next time I have a reamer built I will give some additional info on what I want. What had happen I got to looking at the bill on the work and noted I was bill for two barrel work. I only had one done. So the cost for chambering, stamping the barrel, and threading the barrel for a muzzle brake or suppressor. The change is $440.00 per barrel. So I get back that much back. The detail I used was from a Sierra Manual picture showing a 280AI case and bullet. I am able to modify the picture to reflect a different neck sizes for 6mm, and dimensions. Showing .243 bullet Dia, and .269 for the totally OD dimensions with the case neck. I was told that the reamer builder would allow for clearance. Next time I will be sure in calling and additional .002 for clearance after case is fired. Live and learn. For this cartridge I should have called out .271 to stop a possible problem I think. If I am wrong please let me know. I am on a learning curve. I am just about ready to start shooting the rifle. I will go very slow to start with only cutting a few case to .012 thickness, and see how the case extracts after firing the round, and watching for pressure signs. The first hundred rounds will be for fireforming the cases. I'll see what kind of monster I have created. My pin to paper isn't the greatest. I am dyslexia, so I don't know which eye I am looking out of. Ha! Ha!. [/QUOTE]
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