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Rifles, Reloading, Optics, Equipment
Reloading
Fire-forming 280 Ackley Improved from Lapua 30-06?
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<blockquote data-quote="Trickymissfit" data-source="post: 434860" data-attributes="member: 25383"><p>sounds like a lot of extra work to me! You are aware that you can take generic factory .280 remington rounds and simply fire them in a .280 Ackley chamber? That's the easiest way, and also the way P.O. Ackley recommended. But being as your going the 30-06 case route here's my method (yes I know many here will dissagree with my methodology).</p><p> </p><p>** First thing you run into is that the .280 case is actually going to be longer than the 30-06 case length, and this may never quite come out right unless you can accept a shorter neck length (I would not). I would buy .270 cases, and simply neck them up to 7mm, or better yet buy generic .280 Remington brass and go from there. But you might beg a dozen cases from somebody that's got a bunch of extras (30-06). Resize the necks down to 7mm, and seat the bullets for about .010" jam into the rifeling. Fire form the cases with a good stiff load. After you fire the first five or six cases check them to see if the have done the banana shape in the body (I expect they will). I simply don't think you'll get a good .280 case after fire forming with this method, and even then the overall length is going to be a little short. Now should the body of the fire formed cases come out nice and strait; then you at least have a case you can use as a master for your chamber (gauge line deminsions). If you chose .270 Winchester cases, all you need to do is to neck them up to .284 and fire form the brass. The basis deminsions otherwise are very similar. The trick with fire frorming the brass is to have it very secure in the chamber. You won't have that with the 30 caliber case, but will if you use the .270 or .280 case!</p><p> </p><p> Not being familure with the Lapua case catalog I can't say wether or not they sell a .270 or .280 case, but Winchester and Remington do. </p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 434860, member: 25383"] sounds like a lot of extra work to me! You are aware that you can take generic factory .280 remington rounds and simply fire them in a .280 Ackley chamber? That's the easiest way, and also the way P.O. Ackley recommended. But being as your going the 30-06 case route here's my method (yes I know many here will dissagree with my methodology). ** First thing you run into is that the .280 case is actually going to be longer than the 30-06 case length, and this may never quite come out right unless you can accept a shorter neck length (I would not). I would buy .270 cases, and simply neck them up to 7mm, or better yet buy generic .280 Remington brass and go from there. But you might beg a dozen cases from somebody that's got a bunch of extras (30-06). Resize the necks down to 7mm, and seat the bullets for about .010" jam into the rifeling. Fire form the cases with a good stiff load. After you fire the first five or six cases check them to see if the have done the banana shape in the body (I expect they will). I simply don't think you'll get a good .280 case after fire forming with this method, and even then the overall length is going to be a little short. Now should the body of the fire formed cases come out nice and strait; then you at least have a case you can use as a master for your chamber (gauge line deminsions). If you chose .270 Winchester cases, all you need to do is to neck them up to .284 and fire form the brass. The basis deminsions otherwise are very similar. The trick with fire frorming the brass is to have it very secure in the chamber. You won't have that with the 30 caliber case, but will if you use the .270 or .280 case! Not being familure with the Lapua case catalog I can't say wether or not they sell a .270 or .280 case, but Winchester and Remington do. gary [/QUOTE]
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Fire-forming 280 Ackley Improved from Lapua 30-06?
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