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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Nosler Custom Ammo fitting 280AI chambers?
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<blockquote data-quote="cfvickers" data-source="post: 420271" data-attributes="member: 25488"><p>The Ackley versions are generally a little shorter than the standard because when the case is fire formed it will blow out the shoulder and the diameter of the case walls, not sure if I am using proper terminology, but at any rate, the case neck shortens some as the expansion in the lower portion of the case will pull a small portion neck back to enlarge the body, you only have so much brass in a case when you enlarge the body the larger dimensions have to come from somewhere, it is not all stretching. Also the When getting a .280 rem or a 25/06 reemed they usually will set the barrel back a small fraction of an inch to get the proper chamber dimensions. Some smiths don't do this and it works fine, but the factory Nosler brass would not be a perfect fit and therefore accuracy is likely to suffer. My wording is probably all wrong but if you can follow it this is all fact. I was wanting my encore 25-06 barrel to be made an ackley and this is what I ran into, encore barrels can not be set back of course so I was out of luck. The shoulder on the '06 based cases is too long and it would not reem correctly. Someone suggested I get a 257 and reem it to 25-06 ackley if I wanted to go this route. but by then I can just order a barrel in the caliber I want. I will try to remember when I get home and post pictures of the two side by side. this is what I have been always told. My dad has had several 280 ackley rifles and I have a lot of 280 and 280 ackley brass laying around. A lot of people just simply ream them without setting them back and that works fine too, but the brass from those rifles will not fit regular 280 ackley chambers because of it.</p></blockquote><p></p>
[QUOTE="cfvickers, post: 420271, member: 25488"] The Ackley versions are generally a little shorter than the standard because when the case is fire formed it will blow out the shoulder and the diameter of the case walls, not sure if I am using proper terminology, but at any rate, the case neck shortens some as the expansion in the lower portion of the case will pull a small portion neck back to enlarge the body, you only have so much brass in a case when you enlarge the body the larger dimensions have to come from somewhere, it is not all stretching. Also the When getting a .280 rem or a 25/06 reemed they usually will set the barrel back a small fraction of an inch to get the proper chamber dimensions. Some smiths don't do this and it works fine, but the factory Nosler brass would not be a perfect fit and therefore accuracy is likely to suffer. My wording is probably all wrong but if you can follow it this is all fact. I was wanting my encore 25-06 barrel to be made an ackley and this is what I ran into, encore barrels can not be set back of course so I was out of luck. The shoulder on the '06 based cases is too long and it would not reem correctly. Someone suggested I get a 257 and reem it to 25-06 ackley if I wanted to go this route. but by then I can just order a barrel in the caliber I want. I will try to remember when I get home and post pictures of the two side by side. this is what I have been always told. My dad has had several 280 ackley rifles and I have a lot of 280 and 280 ackley brass laying around. A lot of people just simply ream them without setting them back and that works fine too, but the brass from those rifles will not fit regular 280 ackley chambers because of it. [/QUOTE]
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Nosler Custom Ammo fitting 280AI chambers?
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