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Rifles, Reloading, Optics, Equipment
Reloading
243 or 243 AI
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<blockquote data-quote="Will D" data-source="post: 2339921" data-attributes="member: 98378"><p>My 243AI built on a Sako 479 action & Douglas 1:10 barrel delivers 85 gr. Sierra HPBT with 46.0 gr. IMR4350 at 3,345 fps into half inch groups if I do my part. The downside of such loads in either 243 Win or 243 AI is short barrel life due to the short necks of both. A recently obtained borescope shows the first half inch of the throat looking like alligator skin after fewer than 1,000 rounds. Accuracy remains acceptable for my needs, however, so I'll keep shooting it until accuracy degrades.</p></blockquote><p></p>
[QUOTE="Will D, post: 2339921, member: 98378"] My 243AI built on a Sako 479 action & Douglas 1:10 barrel delivers 85 gr. Sierra HPBT with 46.0 gr. IMR4350 at 3,345 fps into half inch groups if I do my part. The downside of such loads in either 243 Win or 243 AI is short barrel life due to the short necks of both. A recently obtained borescope shows the first half inch of the throat looking like alligator skin after fewer than 1,000 rounds. Accuracy remains acceptable for my needs, however, so I'll keep shooting it until accuracy degrades. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
243 or 243 AI
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