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The Range
Ammo & Reloading
accurizing 45 Colt dies
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<blockquote data-quote="swampratt" data-source="post: 2706980" data-attributes="member: 15054"><p>Do not know a good title so hear is the 411.</p><p></p><p> My 45 colt pistol is a new game to me.</p><p> So far not happy with the way the bullets get treated when seating so I did some measuring.</p><p></p><p> My colt Bisley chamber measures .484"</p><p> A fired Hornady case measures .479" OD. spring back you know.</p><p></p><p> My Redding carbide sizer die pinches the OD down to .470"</p><p> or a bit under that. The ID of this Redding die measures .468"</p><p></p><p> Now I feel some over working of the brass is happening.</p><p> And my Hornady case ID is .445" or so..way tight for my .4525" bullet.</p><p></p><p> No wonder I am shaving lead no matter how I flare the case.</p><p></p><p> FUN PART.</p><p> The Lee carbide crimp die for 45acp measures .472" ID</p><p> That is .004" larger ID than the Redding.</p><p> So I remove the crimp and use the carbide to size my 45 Colt cases.</p><p> Now my colt case measures a bit fatter OD .473" vs .470" with the Colt Redding die.</p><p> Now ID is .448" instead of .445"</p><p></p><p> Getting there..so now I will attempt to hone the Redding carbide sizer die out so I get .449"-.450"ID </p><p> As my 357 mag has .002" interference fit and shoots awesome.</p><p> I feel .0045" interference is about .01 too much</p><p></p><p> Sorry if that is too many numbers to follow,, I like numbers.</p></blockquote><p></p>
[QUOTE="swampratt, post: 2706980, member: 15054"] Do not know a good title so hear is the 411. My 45 colt pistol is a new game to me. So far not happy with the way the bullets get treated when seating so I did some measuring. My colt Bisley chamber measures .484" A fired Hornady case measures .479" OD. spring back you know. My Redding carbide sizer die pinches the OD down to .470" or a bit under that. The ID of this Redding die measures .468" Now I feel some over working of the brass is happening. And my Hornady case ID is .445" or so..way tight for my .4525" bullet. No wonder I am shaving lead no matter how I flare the case. FUN PART. The Lee carbide crimp die for 45acp measures .472" ID That is .004" larger ID than the Redding. So I remove the crimp and use the carbide to size my 45 Colt cases. Now my colt case measures a bit fatter OD .473" vs .470" with the Colt Redding die. Now ID is .448" instead of .445" Getting there..so now I will attempt to hone the Redding carbide sizer die out so I get .449"-.450"ID As my 357 mag has .002" interference fit and shoots awesome. I feel .0045" interference is about .01 too much Sorry if that is too many numbers to follow,, I like numbers. [/QUOTE]
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