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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
High velocity chamberings known for having exceptional accuracy.
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<blockquote data-quote="Max Heat" data-source="post: 917450" data-attributes="member: 43153"><p>I didn't even know that ackley makes an improved version of the 22-250 (didn't think that it needed any improvment). What I do find interesting, is that with a few exceptions, almost all of the cartridges listed DO fall inside of the .22 to 6.5mm (actually 6.8mm to 7.21mm) caliber range. </p><p></p><p>My go-to caliber is 7mm (7.21), but my new long/fat barrel with RUM chamber has thus far not lived up to my accuracy hopes. Only 11 rounds have gone through it so far though. There were some 7mm HV carts listed, such as the Sharpe-Hart, and before I get reamed for failing to mention it, the STW. I have seen 7Hart brass and reloading die sets in Bobby's shop also. But with it's over-bore-ed-ness and finnickyness, it appears that RUM simply might not have what it takes to make the high-accuracy list.</p><p></p><p>What I'm wondering is, will it be possible to come up with a load that will satisfy my accuracy expectaions?</p><p></p><p>Or am I going to have to consider ditching the 7RUM, in favor of 6.5-284AI, or even 6-284 (that 1 really DOES intrigue me)?</p><p></p><p>When I told Bobby I was clocking my 139SST rounds at 3700fps, he stated that anything over 3500fps will NOT have good accuracy. Problem is, with the 22-250 having a typical MV of 3750fps, that flies right in the face of what he stated. Is there something I am missing?</p></blockquote><p></p>
[QUOTE="Max Heat, post: 917450, member: 43153"] I didn't even know that ackley makes an improved version of the 22-250 (didn't think that it needed any improvment). What I do find interesting, is that with a few exceptions, almost all of the cartridges listed DO fall inside of the .22 to 6.5mm (actually 6.8mm to 7.21mm) caliber range. My go-to caliber is 7mm (7.21), but my new long/fat barrel with RUM chamber has thus far not lived up to my accuracy hopes. Only 11 rounds have gone through it so far though. There were some 7mm HV carts listed, such as the Sharpe-Hart, and before I get reamed for failing to mention it, the STW. I have seen 7Hart brass and reloading die sets in Bobby's shop also. But with it's over-bore-ed-ness and finnickyness, it appears that RUM simply might not have what it takes to make the high-accuracy list. What I'm wondering is, will it be possible to come up with a load that will satisfy my accuracy expectaions? Or am I going to have to consider ditching the 7RUM, in favor of 6.5-284AI, or even 6-284 (that 1 really DOES intrigue me)? When I told Bobby I was clocking my 139SST rounds at 3700fps, he stated that anything over 3500fps will NOT have good accuracy. Problem is, with the 22-250 having a typical MV of 3750fps, that flies right in the face of what he stated. Is there something I am missing? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
High velocity chamberings known for having exceptional accuracy.
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