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Rifles, Reloading, Optics, Equipment
Reloading
Necking down brass for wildcat
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<blockquote data-quote="J E Custom" data-source="post: 1826592" data-attributes="member: 2736"><p>Some good suggestions. First off. the Starline brass is tough but hard and is not good for making wildcats.</p><p>With the multiple sizing you are work hardening the brass even more. </p><p></p><p>I would suggest finding some Remington brass, (New or once fired) then remove the expander on the .224 die.</p><p>Then lube the case (and inside of the neck) And size the case. Normally good annealed brass will take some neck sizing without problems. If it doesn't want to size down that much you may have to step size it in 1/2 size steps (.025 the first step and then the final sizing) remember every time you size the case it gets harder and resist sizing more.</p><p></p><p>If you look at a bushing die the bushing is not designed to size very much sizing, so I would look for a conventional die for neck sizing instead of the bushing dies. The bushings don't have enough starting taper to do it in one or two steps. so you have to use many bushings and that could be your problem with the Starline brass. </p><p></p><p>I have/do many wildcats and find that the brass quality and hardness is very important in order to form different cartridges from parent cases. Starline brass seems fine and works well if you do minimum sizing because of it's toughness, but it doesn't re form well to other shapes, A good friend even tried to anneal some new Starline before fire forming it to a different chamber design (The caliber was the same) and it split at the neck shoulder junction. He then tried a different brand of brass and his troubles went away. You can also buy a die blank and build your own sizing die for the wild cats using your regular chamber reamer to bring the case close to the final size and switch to the bushing die for final sizing.</p><p></p><p>I use quite a bit of Starline brass on pistols and factory chambers where minimum sizing is needed and have good luck with it but have learned that the alloy they use just doesn't lend it.s self to re forming in any manor.</p><p></p><p>Hope this helps</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1826592, member: 2736"] Some good suggestions. First off. the Starline brass is tough but hard and is not good for making wildcats. With the multiple sizing you are work hardening the brass even more. I would suggest finding some Remington brass, (New or once fired) then remove the expander on the .224 die. Then lube the case (and inside of the neck) And size the case. Normally good annealed brass will take some neck sizing without problems. If it doesn't want to size down that much you may have to step size it in 1/2 size steps (.025 the first step and then the final sizing) remember every time you size the case it gets harder and resist sizing more. If you look at a bushing die the bushing is not designed to size very much sizing, so I would look for a conventional die for neck sizing instead of the bushing dies. The bushings don't have enough starting taper to do it in one or two steps. so you have to use many bushings and that could be your problem with the Starline brass. I have/do many wildcats and find that the brass quality and hardness is very important in order to form different cartridges from parent cases. Starline brass seems fine and works well if you do minimum sizing because of it's toughness, but it doesn't re form well to other shapes, A good friend even tried to anneal some new Starline before fire forming it to a different chamber design (The caliber was the same) and it split at the neck shoulder junction. He then tried a different brand of brass and his troubles went away. You can also buy a die blank and build your own sizing die for the wild cats using your regular chamber reamer to bring the case close to the final size and switch to the bushing die for final sizing. I use quite a bit of Starline brass on pistols and factory chambers where minimum sizing is needed and have good luck with it but have learned that the alloy they use just doesn't lend it.s self to re forming in any manor. Hope this helps J E CUSTOM [/QUOTE]
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Necking down brass for wildcat
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