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Joined: Mar 2006
Posts: 142
Campfire Member
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OP
Campfire Member
Joined: Mar 2006
Posts: 142 |
I have one of each above the br has a 12" twist and the dasher has a 8" twist. I will be shooting 600 to 700 yds at steel targets (10"- 6") , both rifles are accurate .5 moa at 100 yds. The rifle in question for the rebarrel is a ruger num 1 220 swift varmint with a pitted barrel that won't shoot, seems to me the dasher cases stretch less then the br and are easy to fire form. The new 6 br would have 8" twist this time so i can shoot high ballistic coefficient bullets what do the pro's think?. (please stick to the cartridges mentioned because i have dies for both). Thanks
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Joined: Dec 2007
Posts: 16,132
Campfire Ranger
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Campfire Ranger
Joined: Dec 2007
Posts: 16,132 |
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Joined: Jun 2015
Posts: 1,926
Campfire Regular
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Campfire Regular
Joined: Jun 2015
Posts: 1,926 |
Dasher. Competition shooters love them.
Society of Intolerant Old Men. Rifle Slut Division
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Joined: Jan 2011
Posts: 590
Campfire Regular
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Campfire Regular
Joined: Jan 2011
Posts: 590 |
Br, longer barrel life, less powder, longer neck, no fire forming and easily reaches the distances you shoot.
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Joined: Jan 2005
Posts: 22,884
Campfire Ranger
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Campfire Ranger
Joined: Jan 2005
Posts: 22,884 |
Norma makes factory Dasher brass now.
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Joined: Aug 2003
Posts: 573
Campfire Regular
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Campfire Regular
Joined: Aug 2003
Posts: 573 |
I get 2820 fps in 25 inches of barrel in a straight br with varget and a 105 berger.. Have a 600 yd berm and see no advantage with the dasher. Real world velocity difference with 2 local dashers is about 150fps. One of my dasher shooting friends is shooting 115 gr still a little faster than I shoot 105s.. Details, details! You can't go wrong either way.
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Joined: Jan 2011
Posts: 590
Campfire Regular
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Campfire Regular
Joined: Jan 2011
Posts: 590 |
Norma makes factory Dasher brass now. They sure do and its junk. Br loads loosen the primer pockets
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