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Rifles, Reloading, Optics, Equipment
Reloading
35 whelen improved fireforming.
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<blockquote data-quote="jfloyd" data-source="post: 1655712" data-attributes="member: 73643"><p>I've always wondered about the sizing up or down of brass be it 308 or 30-06. Since so my cartridges are based on those, how do the factories make the brass. From the production stand point, I would think they would crank out a ton of cases and neck them down to whatever caliber they were making that day. If they are making 308, neck it down to 30 caliber. 7-08, 7mm and so on. How different can it be to expand back up from the smaller diameter. Aside from some drawing effect and needing to be annealed at some point, wouldn't the neck wall thickness end up being pretty darn close regardless? It seems to me they would not be making 6 different case wall thicknesses to make 6 types of brass for 6 different chamberings based on the same parent case. Similar to Starline making 223 basic brass. It's just a straight wall 223 case. Run it through a FL die and load it. Just thinking out loud so please don't take any offense. I have a 338-06 AI BTW, so I am curious to learn as well. </p><p></p><p>Jon</p></blockquote><p></p>
[QUOTE="jfloyd, post: 1655712, member: 73643"] I’ve always wondered about the sizing up or down of brass be it 308 or 30-06. Since so my cartridges are based on those, how do the factories make the brass. From the production stand point, I would think they would crank out a ton of cases and neck them down to whatever caliber they were making that day. If they are making 308, neck it down to 30 caliber. 7-08, 7mm and so on. How different can it be to expand back up from the smaller diameter. Aside from some drawing effect and needing to be annealed at some point, wouldn’t the neck wall thickness end up being pretty darn close regardless? It seems to me they would not be making 6 different case wall thicknesses to make 6 types of brass for 6 different chamberings based on the same parent case. Similar to Starline making 223 basic brass. It’s just a straight wall 223 case. Run it through a FL die and load it. Just thinking out loud so please don’t take any offense. I have a 338-06 AI BTW, so I am curious to learn as well. Jon [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
35 whelen improved fireforming.
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