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6 DASHER OVER SPEED

3100 ft/sec ,SD 9.0, with 32.6 gn Varget. 105gn berger hybrid. .010" jump. This Krieger barrel (1.25 straight x 29") sped up 100 fps new to 200 rounds, no pressure problems. Groups look like crap. Start over with ladder? Me thinks this barrel is junk.
 
Your telling us your getting 3100 fps with 32.6 of Varget? I'm shooting 33.4 and am only getting Just 3000 fps, What neck have you got in your Dasher. And twist?

Joe salt
 
lab radar. This was shot at 4700 ft asl, 30 deg f. This barrel has .131 freebore, .269 neck. I may have a corkscrew barrel. it was a bitch to dial it in.
 
I would try reducing the charge back to 3100 fps before chambering a new barrel. I'd also try Berger 108s before deciding the barrel was not worthy.
 
I have 109 berger hybrids I'll try. has a 8 twist barrel. Groups with 32.6 varget were <=.5 Moa but not as good as my MTU 26" barrel
 
3100 ft/sec ,SD 9.0, with 32.6 gn Varget. 105gn berger hybrid. .010" jump. This Krieger barrel (1.25 straight x 29") sped up 100 fps new to 200 rounds, no pressure problems. Groups look like crap. Start over with ladder? Me thinks this barrel is junk.

You must have the hottest lot of Varget that was ever made, to get 3100 I had free bore of .150 and 34+ gr. of Varget and it shot a 1/4 min. from a Brux 28" barrel and I dropped back to 3060 before it tightened up..... jim
 
shot it today. 31.4 gn varget-3000f/s SD-6.4
31.6 gn varget-3007f/s SD-9.3
31.8 gn varget-3020f/s SD-4.4
32.0 gn varget- 3035f/s SD-6.7
powder load done with Autotrickler/A&D
10 rounds each load. 105 BHT, .007 jump, CCI 450, Alpha brass. .5 moa for all but 32.0 gn, it was 1/4. shot at 200 yards. (Some shivering going on didn't help, 35 deg F)
 

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