The 22xc Thread
- Thread starter urbanrifleman
- Start date
urbanrifleman
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Those are the Tubb abrasive bullets?
Tested today with N-140, N-540, N-150, N-550, and Reloder 15.5 with Berger 60 gr Varmint. N-140 shot best and was most consistent. ES of 22 or less and impacts never wandered no matter the charge weight. Groups ran from .072 to .5 with N-140. The rifle liked everything with no group of any loads went over .7. I hit speeds as high as 3800+ but everything over 3700 showed some level of pressure. Groundhog and yotes beware!! Time to clean it
urbanrifleman
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That will work.
How do your speeds and charge weights compare between R15.5 and n140?
N-140 max 3672
Reloder 15.5 3754
Might have been able to get a bit more out of 15.5.
With n-140 the various charge weights hit same point of impact across a 1 gr charge spread. Impressive barrel Brad, thanks. I couldn't make it shoot bad. I'll stretch it out to 300 for some testing leter this work or next.
Reloder 15.5 3754
Might have been able to get a bit more out of 15.5.
With n-140 the various charge weights hit same point of impact across a 1 gr charge spread. Impressive barrel Brad, thanks. I couldn't make it shoot bad. I'll stretch it out to 300 for some testing leter this work or next.
urbanrifleman
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I meant to say what was the charge weights compared to one another at the same speeds? I would think that they would be very close.
Thank you for the kind words my friend. I'm glad you like it.
urbanrifleman
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I am trying to find the burn rate of n140 verses ts 15.5.
AckleymanII
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Different cartridge, same ballistics, 60g Berger at 3700 fps, I shot a bobcat in half around 120 yards, he would not kill any more fawns. The 60g V max at 3700 should open a coyote like a can opener!
60g Bergers will be tougher than a 60g V Max, and my concern on the 60g V max would be distortion of the base of the bullet during obturation due to rotational torque. If a 60g V max would be my intended bullet for predators, then I would run a 12 twist. Speed is a killer on coyotes, permanent wound cavities. We also shot 12T on the 60g Bergers, and with 3.5-10X leupold AO's, we shot 1/2" groups at 200 yards, 37g of Win 760 in the 22/250 AI..
60g Sierras proved to be too tough for coyotes, remarkably accurate however.
If they ever come available again, the 62g Speer Gold dot with bonded cores would be a fantastic choice for deer and hogs.
The 22 XC is more efficient than the 22/250 AI, slightly.
In a straight neck down, I would not want the bullet shank/boat tail to go below the shoulder/ neck junction for the win, and I bet that Bradley has that issue addressed on his reamer.
If there is a down side to the 22 XC, I can not find it after dealing with several 6 XC's as they are pretty idiot proof to tune.
60g Bergers will be tougher than a 60g V Max, and my concern on the 60g V max would be distortion of the base of the bullet during obturation due to rotational torque. If a 60g V max would be my intended bullet for predators, then I would run a 12 twist. Speed is a killer on coyotes, permanent wound cavities. We also shot 12T on the 60g Bergers, and with 3.5-10X leupold AO's, we shot 1/2" groups at 200 yards, 37g of Win 760 in the 22/250 AI..
60g Sierras proved to be too tough for coyotes, remarkably accurate however.
If they ever come available again, the 62g Speer Gold dot with bonded cores would be a fantastic choice for deer and hogs.
The 22 XC is more efficient than the 22/250 AI, slightly.
In a straight neck down, I would not want the bullet shank/boat tail to go below the shoulder/ neck junction for the win, and I bet that Bradley has that issue addressed on his reamer.
If there is a down side to the 22 XC, I can not find it after dealing with several 6 XC's as they are pretty idiot proof to tune.
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Sorry Brad, Been busy. Father passed etc. RL-15.5 and N-140 are very close in the 22xc.
38.6 gr RL15.5 gave 3635
38.7 gr N-140 gave 3672
Took first groundhog with it yesterday. Blew a fist sized hole in him and he never even twitched
urbanrifleman
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I'm very sorry to hear about your father passing. That is a difficult season indeed, that we all have to face at some point. Losing someone we love. Much love to you.
Thank you so much for sharing your data. I think the 22xc has proven to really be a wonderful cartridge. Now, everyone call Tubb and tell him to stock the 22xc brass.
urbanrifleman
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Do it!!!!
Do it!!!
I'm thinking I'm going to do the same thing. We have been so busy getting ready for the wedding. But I still have my awesome 22xc 8 twist in my Red Elisio. I would really love to throw some r15.5 in that sucker and pump up the speed for when we go to Colorado in November.
806guns
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I will soon. You will be the first to know, what powder would you suggest other than r15.5 ?
urbanrifleman
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806guns
Silver $$ Contributor
I have varget and h4350
urbanrifleman
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So I would look at 22 Creedmoor loads and drop about 1.5 grains.
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