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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bad barrel
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<blockquote data-quote=".300 Dakota" data-source="post: 2326159" data-attributes="member: 106514"><p>You have more patience than me. I recently canned a Wilson 6mm Remington 1:8 barrel because there was only 1 load that barely made 1 MOA. (And I figured out I didn't get my throat deep enough anyway - SAAMI chamber). Most everything was under 1.5 MOA, but nothing save 1 as good as MOA. I think it was the definition of "good hunting accuracy." If you ever hear anybody telling you a rifle demonstrates "good hunting accuracy," don't expect much better than 1 .5 MOA. If I would have thought there was a chance it would have ironed out in another 150 shots, I probably would have gotten rid of it anyway. That's too much powder and primer wastage for me to swallow in today's times. Not to mention time, since I may only have enough range days per year to count on one hand. I had a Douglas suddenly drop from 1 MOA to 1/4 MOA at 40 rounds once. Generally, accuracy will improve slightly, but my patience runs out with the first 50ct box of brass. I've got a Criterion .22 Creedmoor barrel I've been on the fence about. I got what looked about 1/2 MOA from MRP (old metal can) the first group that was ever fired from it, and most everything else has been around 1 MOA five or take an eighth. I disassembled it Friday night and sanded the barrel channel some more and installed a McCarbo spring to bring it down under 3lb trigger pull, as I noticed I was pulling it because of the way the Acci-Trigger broke the last time out. I repeated the MRP load except with 1 more grain and used Lapua 6mm Creed brass I formed and loaded with a SRP. Group was decently fast and exactly 1/2 MOA confirmed. Another group with Sta-Ball was faster but was up to 7/8 MOA. I have decided that if I only have the 1 powder that can touch 1/2 MOA, it's still a keeper. For my purposes, that's plenty good. I made that mistake with a Remington 700 LSS in 25-06 once. I could only get to exactly 1/2" with one or two loads. I spent hundreds of dollars to have it rebarreled with a Krieger and chambered in 25-06 AI. For all my effort, time, and money, I got 1/16" better accuracy on group size (7/16" - dime size) and 100 - 150 ft/sec more speed. And the headache of trying to form the brass and have it come out the same length was a nightmare. I wished a thousand times over I'd left good enough alone, and this example was all I could think about when deciding. I have close to 60 rounds through it now, so it SHOULDN'T get any better, but this thread has given me hope that it might! I will say this is the worst shooting Criterion barrel I've had if that tells you anything that it's capable of 1/2 MOA with ANY load! I'll keep buying Criterion unless I want something special like a 6.5 GAP 4S from Patriot Valley or Carbon Six!</p></blockquote><p></p>
[QUOTE=".300 Dakota, post: 2326159, member: 106514"] You have more patience than me. I recently canned a Wilson 6mm Remington 1:8 barrel because there was only 1 load that barely made 1 MOA. (And I figured out I didn't get my throat deep enough anyway - SAAMI chamber). Most everything was under 1.5 MOA, but nothing save 1 as good as MOA. I think it was the definition of "good hunting accuracy." If you ever hear anybody telling you a rifle demonstrates "good hunting accuracy," don't expect much better than 1 .5 MOA. If I would have thought there was a chance it would have ironed out in another 150 shots, I probably would have gotten rid of it anyway. That's too much powder and primer wastage for me to swallow in today's times. Not to mention time, since I may only have enough range days per year to count on one hand. I had a Douglas suddenly drop from 1 MOA to 1/4 MOA at 40 rounds once. Generally, accuracy will improve slightly, but my patience runs out with the first 50ct box of brass. I've got a Criterion .22 Creedmoor barrel I've been on the fence about. I got what looked about 1/2 MOA from MRP (old metal can) the first group that was ever fired from it, and most everything else has been around 1 MOA five or take an eighth. I disassembled it Friday night and sanded the barrel channel some more and installed a McCarbo spring to bring it down under 3lb trigger pull, as I noticed I was pulling it because of the way the Acci-Trigger broke the last time out. I repeated the MRP load except with 1 more grain and used Lapua 6mm Creed brass I formed and loaded with a SRP. Group was decently fast and exactly 1/2 MOA confirmed. Another group with Sta-Ball was faster but was up to 7/8 MOA. I have decided that if I only have the 1 powder that can touch 1/2 MOA, it's still a keeper. For my purposes, that's plenty good. I made that mistake with a Remington 700 LSS in 25-06 once. I could only get to exactly 1/2" with one or two loads. I spent hundreds of dollars to have it rebarreled with a Krieger and chambered in 25-06 AI. For all my effort, time, and money, I got 1/16" better accuracy on group size (7/16" - dime size) and 100 - 150 ft/sec more speed. And the headache of trying to form the brass and have it come out the same length was a nightmare. I wished a thousand times over I'd left good enough alone, and this example was all I could think about when deciding. I have close to 60 rounds through it now, so it SHOULDN'T get any better, but this thread has given me hope that it might! I will say this is the worst shooting Criterion barrel I've had if that tells you anything that it's capable of 1/2 MOA with ANY load! I'll keep buying Criterion unless I want something special like a 6.5 GAP 4S from Patriot Valley or Carbon Six! [/QUOTE]
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