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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
25-06 ai
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<blockquote data-quote="Alibiiv" data-source="post: 1791893" data-attributes="member: 69192"><p>I'd get a hydro form die from <strong><u><em>"WHIDDEN"</em></u></strong> <u>if I were going to buy another hydro form die </u>for my .270 Ackley Improved; and....I will be replacing the one that I already have and already have paid for, that never really worked from day one (formed 14 casings and it won't work again)!!!! The cream of wheat method works, will save your barrel as will hydro forming, but both methods are time consuming; however, I have been load developing at the same time as fire-forming and have good results with that process. I do strongly recommend annealing before any method for case prepping or forming your cases; that would be my first process before I started anything. I am using a salt-bath method with good results; there's some controversy about whether salt annealing works or not, it works for me and I don't have $500-800 tied up in equipment. One more thing that I did was to use less expensive brass for the learning process of fire forming/sizing/annealing my brass, for me there was a learning curve thus destroying some casings and,, those casings didn't cost me $1.25-2.00+ per casing; good .270 Winchester brass is hard to find.</p><p></p><p>I would highly recommend the Sinclair mandrel neck sizing tool, and....if you ever decide to do any crimping (unlikely on the cartridges that you asked about) get a Lee Professional Crimp die. Any of the high-end die makers have good products, everyone has their own opinions on them; Ford vs Chevy vs Dodge.</p><p></p><p>As for barrel twist I would recommend talking with the barrel maker and the bullet manufacturer to get their opinions on bullet twist. I spoke with Steve from Hammer bullets the other day, told him "what I already had", he told me that he would prefer a faster twist, however because I have a 1-10 twist in the .270AI he told me what bullet to use. If you are talking Sherman Wildcats, Rich will suggest the twist and the bullet that will work well for a particular wildcat.</p><p></p><p>Good luck with your build, looks like you have a really neat setup up, now for load making your casings and load development.</p></blockquote><p></p>
[QUOTE="Alibiiv, post: 1791893, member: 69192"] I'd get a hydro form die from [B][U][I]"WHIDDEN"[/I][/U][/B] [U]if I were going to buy another hydro form die [/U]for my .270 Ackley Improved; and....I will be replacing the one that I already have and already have paid for, that never really worked from day one (formed 14 casings and it won't work again)!!!! The cream of wheat method works, will save your barrel as will hydro forming, but both methods are time consuming; however, I have been load developing at the same time as fire-forming and have good results with that process. I do strongly recommend annealing before any method for case prepping or forming your cases; that would be my first process before I started anything. I am using a salt-bath method with good results; there's some controversy about whether salt annealing works or not, it works for me and I don't have $500-800 tied up in equipment. One more thing that I did was to use less expensive brass for the learning process of fire forming/sizing/annealing my brass, for me there was a learning curve thus destroying some casings and,, those casings didn't cost me $1.25-2.00+ per casing; good .270 Winchester brass is hard to find. I would highly recommend the Sinclair mandrel neck sizing tool, and....if you ever decide to do any crimping (unlikely on the cartridges that you asked about) get a Lee Professional Crimp die. Any of the high-end die makers have good products, everyone has their own opinions on them; Ford vs Chevy vs Dodge. As for barrel twist I would recommend talking with the barrel maker and the bullet manufacturer to get their opinions on bullet twist. I spoke with Steve from Hammer bullets the other day, told him "what I already had", he told me that he would prefer a faster twist, however because I have a 1-10 twist in the .270AI he told me what bullet to use. If you are talking Sherman Wildcats, Rich will suggest the twist and the bullet that will work well for a particular wildcat. Good luck with your build, looks like you have a really neat setup up, now for load making your casings and load development. [/QUOTE]
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