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Hunting
Long Range Hunting & Shooting
243AI, is it dead in the water?
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<blockquote data-quote="GLTaylor" data-source="post: 1831045" data-attributes="member: 111593"><p>You don't have to get a standard die to seat bullets initially in .243 brass for fire forming. I confused some folks. A regular seating die will work. So will an AI seater die.</p><p></p><p>You Do, obviously, have to get an Ack Imp sizing die made for FL sizing and shoulder bumping. I now prefer Redding Type S, bushing neck and FL sizing dies. They work great for me and I can adjust neck tension as desired.</p><p></p><p>I use a Wilson in-line bullet seater for all my cartridges. The Wilson fully supports the case neck and aligns it and the bullet during seating. Runout is basically non-existent using Wilson dies. My runout runs .0005 to .001. Way back when I chambered my first .243AI, I got a Wilson seater blank for 6mm (get them direct from L E Wilson). When your smith chambers your barrel, have him use the same reamer to "chamber" your bullet seater. From that point on you will be making perfectly concentric ammo. Nothing can move during the seating process. The bullet is held in a caliber-specific cylinder during seating and it is perfectly aligned over the cartridge case, which is held in a centered "chamber".</p></blockquote><p></p>
[QUOTE="GLTaylor, post: 1831045, member: 111593"] You don't have to get a standard die to seat bullets initially in .243 brass for fire forming. I confused some folks. A regular seating die will work. So will an AI seater die. You Do, obviously, have to get an Ack Imp sizing die made for FL sizing and shoulder bumping. I now prefer Redding Type S, bushing neck and FL sizing dies. They work great for me and I can adjust neck tension as desired. I use a Wilson in-line bullet seater for all my cartridges. The Wilson fully supports the case neck and aligns it and the bullet during seating. Runout is basically non-existent using Wilson dies. My runout runs .0005 to .001. Way back when I chambered my first .243AI, I got a Wilson seater blank for 6mm (get them direct from L E Wilson). When your smith chambers your barrel, have him use the same reamer to "chamber" your bullet seater. From that point on you will be making perfectly concentric ammo. Nothing can move during the seating process. The bullet is held in a caliber-specific cylinder during seating and it is perfectly aligned over the cartridge case, which is held in a centered "chamber". [/QUOTE]
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243AI, is it dead in the water?
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