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Rifles, Reloading, Optics, Equipment
Reloading
.280 AI controversy explained ...
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<blockquote data-quote="J E Custom" data-source="post: 835027" data-attributes="member: 2736"><p>The SAMMI reamer is all you can buy now because the reamer manufactures can only make This</p><p>reamer now (Unless you want a wildcat).</p><p></p><p>The real Issue is the head space. there are two head space gages you can use. If you want to shoot</p><p>Nosler brass use the head space gage that is for the reamer you buy. If you going to shoot all other brands of ammo/brass I prefer to head space with the 280 rem Go gage.</p><p></p><p>If you are going to make your brass out of 30/06 brass you simply size it with the 280 AI dies just enough to close the bolt(That will leave a donut that Is 30 Cal to set the head space for fire forming.</p><p></p><p>If You use 25/06 or 270 brass you have to seat the bullet long to maintain head space (You Must reduce the load when seating the bullet against the lands)</p><p></p><p>The reason I like to use the other go Gage(The 280 rem) It is .014 thousandths longer,is to be able to shoot factory ammo while Fire forming (All except Nosler)with perfect head space. this also has the 280 head stamp on the ammo. (Not a real issue but nice and easy).</p><p></p><p>My concern is using ammo with to much head space. Also you are right,if you chamber and head space with the New AI you will have .014 thousandths crush on other cases and can probably close the bolt</p><p>on the for fire forming. Some times if the case is to tight it,s memory will cause it to remain larger than your chamber causing you to have to bump the case the first loading to get it to chamber smoothly.</p><p></p><p>As I said earlier, I am sure everyone that says it is OK would not tell anyone that, if it was unsafe I just have a problem building a rifle with very close tolerances and then shooting Ammo with a head space </p><p>difference of .014. and prefer to build a rifle that will/can use many different brands of cases.</p><p></p><p>We have probably beat this to death and it looks like it is a personal choice to anyone that is going to</p><p>build a 280 AI. And hopefully this debate has brought to light the difference in the two AIs</p><p></p><p>I just hope that anyone reading this debate does not decide not to build one of these fine rifles.</p><p></p><p>I think it comes down to a personal choice as to which way you want to go and that we have made something simple into something complicated.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 835027, member: 2736"] The SAMMI reamer is all you can buy now because the reamer manufactures can only make This reamer now (Unless you want a wildcat). The real Issue is the head space. there are two head space gages you can use. If you want to shoot Nosler brass use the head space gage that is for the reamer you buy. If you going to shoot all other brands of ammo/brass I prefer to head space with the 280 rem Go gage. If you are going to make your brass out of 30/06 brass you simply size it with the 280 AI dies just enough to close the bolt(That will leave a donut that Is 30 Cal to set the head space for fire forming. If You use 25/06 or 270 brass you have to seat the bullet long to maintain head space (You Must reduce the load when seating the bullet against the lands) The reason I like to use the other go Gage(The 280 rem) It is .014 thousandths longer,is to be able to shoot factory ammo while Fire forming (All except Nosler)with perfect head space. this also has the 280 head stamp on the ammo. (Not a real issue but nice and easy). My concern is using ammo with to much head space. Also you are right,if you chamber and head space with the New AI you will have .014 thousandths crush on other cases and can probably close the bolt on the for fire forming. Some times if the case is to tight it,s memory will cause it to remain larger than your chamber causing you to have to bump the case the first loading to get it to chamber smoothly. As I said earlier, I am sure everyone that says it is OK would not tell anyone that, if it was unsafe I just have a problem building a rifle with very close tolerances and then shooting Ammo with a head space difference of .014. and prefer to build a rifle that will/can use many different brands of cases. We have probably beat this to death and it looks like it is a personal choice to anyone that is going to build a 280 AI. And hopefully this debate has brought to light the difference in the two AIs I just hope that anyone reading this debate does not decide not to build one of these fine rifles. I think it comes down to a personal choice as to which way you want to go and that we have made something simple into something complicated. J E CUSTOM [/QUOTE]
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.280 AI controversy explained ...
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