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Rifles, Reloading, Optics, Equipment
Reloading
different max o.a.l. for new box of bullets
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<blockquote data-quote="AZShooter" data-source="post: 1021466" data-attributes="member: 5219"><p>Sometimes we get too involved in the details when it isn't necessary. I shoot many of my rifles that I KNOW are getting throat wear without changing seating depth. I have been using the same OAL for a 257 Weatherby and 6mm-284 for hundreds of rounds with no change in POI or group size. My theory is that the barrel harmonics are remaining the same or close so impact/group remains the same. </p><p></p><p>The 1000 yd guys chase the throat because they are attempting perfection and want everything the same every time. </p><p></p><p>I remember the old days when we used to just choose a seating depth for a bullet and then add powder till we got the best group. Absolutely no measurement of jump to rifling, OAL or another detail. Many rifles shot wonderfully and our ignorance didn't hurt us. I think the attention to details trickled down from BR guys and the long range hunters picked it up. </p><p></p><p>BTW if you choose to shoot the hybrid line of Berger bullets you can go back to the "seat it at any depth" so it fits magazine and feeds then add powder till you find the best grouping. I swear these bullets are very friendly as advertised. Have used them in 6mm (105 gr and 95 gr), 7mm (168 gr and 180 gr), 30 cal (230 gr) and 338 (300 gr) in just this manner. </p><p></p><p>I'd say choose a seating depth work up a load and shoot the rifle till it tells you that you have to tweak seating depth or powder charge to get that small group back.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1021466, member: 5219"] Sometimes we get too involved in the details when it isn't necessary. I shoot many of my rifles that I KNOW are getting throat wear without changing seating depth. I have been using the same OAL for a 257 Weatherby and 6mm-284 for hundreds of rounds with no change in POI or group size. My theory is that the barrel harmonics are remaining the same or close so impact/group remains the same. The 1000 yd guys chase the throat because they are attempting perfection and want everything the same every time. I remember the old days when we used to just choose a seating depth for a bullet and then add powder till we got the best group. Absolutely no measurement of jump to rifling, OAL or another detail. Many rifles shot wonderfully and our ignorance didn't hurt us. I think the attention to details trickled down from BR guys and the long range hunters picked it up. BTW if you choose to shoot the hybrid line of Berger bullets you can go back to the "seat it at any depth" so it fits magazine and feeds then add powder till you find the best grouping. I swear these bullets are very friendly as advertised. Have used them in 6mm (105 gr and 95 gr), 7mm (168 gr and 180 gr), 30 cal (230 gr) and 338 (300 gr) in just this manner. I'd say choose a seating depth work up a load and shoot the rifle till it tells you that you have to tweak seating depth or powder charge to get that small group back. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
different max o.a.l. for new box of bullets
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