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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22-250AI or 22 creed
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<blockquote data-quote="parshal" data-source="post: 1400560" data-attributes="member: 605"><p>The neck length on my reamer is .262. I've seen a reamer print with a .259 length, too. I simply necked down 6 Creedmoor brass and sent it to Manson to get the reamer made.</p><p></p><p>Recently, though, I'm using Lapua 22-250 brass. It's incredibly accurate and gives me a 22 Creed case when fireformed. My buddy shot a bunch of 22-250 loads he had reloaded and they work like a charm in the 22 Creed. I was trimming my 6 Creed brass to 1.900" and I trim the Lapua to 1.890". It's shorter but it hasn't made a difference in accuracy. I've been looking at the chamber neck frequently with a borescope and don't see any issues with the shorter neck.</p><p></p><p>Incidentally, I settled on 45.5 grains of R26 with 82 grain Bergers in my 26" barrel. Average velocity is 3550. 45.5 grains of 4831SC gave 3517. I was 3650 with 48 grains of R26 with the 80 grain ELD-M. That one gave me 1.2" at 200 yards. 49 hit 3750 although I only took a few shots over the Magnetospeed with that one. None showed signs of pressure.</p></blockquote><p></p>
[QUOTE="parshal, post: 1400560, member: 605"] The neck length on my reamer is .262. I've seen a reamer print with a .259 length, too. I simply necked down 6 Creedmoor brass and sent it to Manson to get the reamer made. Recently, though, I'm using Lapua 22-250 brass. It's incredibly accurate and gives me a 22 Creed case when fireformed. My buddy shot a bunch of 22-250 loads he had reloaded and they work like a charm in the 22 Creed. I was trimming my 6 Creed brass to 1.900" and I trim the Lapua to 1.890". It's shorter but it hasn't made a difference in accuracy. I've been looking at the chamber neck frequently with a borescope and don't see any issues with the shorter neck. Incidentally, I settled on 45.5 grains of R26 with 82 grain Bergers in my 26" barrel. Average velocity is 3550. 45.5 grains of 4831SC gave 3517. I was 3650 with 48 grains of R26 with the 80 grain ELD-M. That one gave me 1.2" at 200 yards. 49 hit 3750 although I only took a few shots over the Magnetospeed with that one. None showed signs of pressure. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22-250AI or 22 creed
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