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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Need help on fire forming 280AI brass
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<blockquote data-quote="wwbrown" data-source="post: 1206913" data-attributes="member: 31392"><p>For the original 280 AI I start out with Lapua 30-06 run it through the 280 AI sizer this will put a false shoulder on the brass as it will reduce the neck diameter to a point that is forward of the shoulder. The 280 AI is a little different from most AI's as the shoulder is not just blown out but it is also moved forward that is why the false shoulder is formed, that is why it is easiest to form using 30-06 brass than 280 brass. </p><p></p><p>With the false shoulder load up medium 280 loads and fire, these rounds can be amazingly accurate so you may want to check the accuracy so you don't just waste the ammo, some people shoot club matches while blowing brass out.</p><p></p><p>I built a 1,000 yard F-class gun using the original 280 AI, I used the original for two reasons it has a larger capacity than Norma's 280 AI. The second reason for the original chambering is I could start out with Lapua 30-06 brass, my arm has to be twisted very hard to build a competition gun in a chambering I can't use Lapua brass for. I could have used Lapua 30-06 brass with Norma's version also but I wanted the extra capacity.</p></blockquote><p></p>
[QUOTE="wwbrown, post: 1206913, member: 31392"] For the original 280 AI I start out with Lapua 30-06 run it through the 280 AI sizer this will put a false shoulder on the brass as it will reduce the neck diameter to a point that is forward of the shoulder. The 280 AI is a little different from most AI's as the shoulder is not just blown out but it is also moved forward that is why the false shoulder is formed, that is why it is easiest to form using 30-06 brass than 280 brass. With the false shoulder load up medium 280 loads and fire, these rounds can be amazingly accurate so you may want to check the accuracy so you don't just waste the ammo, some people shoot club matches while blowing brass out. I built a 1,000 yard F-class gun using the original 280 AI, I used the original for two reasons it has a larger capacity than Norma's 280 AI. The second reason for the original chambering is I could start out with Lapua 30-06 brass, my arm has to be twisted very hard to build a competition gun in a chambering I can't use Lapua brass for. I could have used Lapua 30-06 brass with Norma's version also but I wanted the extra capacity. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Need help on fire forming 280AI brass
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