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Joined: Jul 2007
Posts: 24,645 Likes: 1
Campfire Ranger
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Campfire Ranger
Joined: Jul 2007
Posts: 24,645 Likes: 1 |
That was quick.  And now for the coin toss - Creedmoor or GT?
![[Linked Image from i.imgur.com]](https://i.imgur.com/X0n16mr.png) WWP53D
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Joined: Nov 2006
Posts: 2,888
Campfire Regular
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OP
Campfire Regular
Joined: Nov 2006
Posts: 2,888 |
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Joined: Apr 2011
Posts: 15,305
Campfire Ranger
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Campfire Ranger
Joined: Apr 2011
Posts: 15,305 |
Jealous! I can't find a donor I like as of today!
Day ain't over yet I guess!
Semper Fi
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Joined: May 2003
Posts: 16,971 Likes: 1
Campfire Ranger
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Campfire Ranger
Joined: May 2003
Posts: 16,971 Likes: 1 |
Those darn 5R barrels have a tendency to make reamers chatter …
- why (preemptive strike for people that want to tear things down as whinny children instead of helping others)..
Because the incline on the side of the rifling makes a ramp surface contact point when the reamer engages it - this pushes the reamer (chatter baby), on normally rifling the reamer flute hits the side of the rifling edge cleanly without having to dig into a raising plane surface… ]
Frankly I had to be told to look for it before I noticed it… But I had a great teacher so … Meh…
Meaning it is hard to see if you are not looking for it closely - even then … old eyes, ….
Last edited by Spotshooter; 02/08/23.
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Joined: Jun 2005
Posts: 2,220 Likes: 1
Campfire Regular
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Campfire Regular
Joined: Jun 2005
Posts: 2,220 Likes: 1 |
Those darn 5R barrels have a tendency to make reamers chatter …
- why (preemptive strike for people that want to tear things down as whinny children instead of helping others)..
Because the incline on the side of the rifling makes a ramp surface contact point when the reamer engages it - this pushes the reamer (chatter baby), on normally rifling the reamer flute hits the side of the rifling edge cleanly without having to dig into a raising plane surface… ]
Frankly I had to be told to look for it before I noticed it… But I had a great teacher so … Meh…
Meaning it is hard to see if you are not looking for it closely - even then … old eyes, …. I expect the chatter potential has as much to do with the 5 lands as the edge slope of them. With an even number of lands the reamer is cutting a land on each side simultaneously. That is not the case with odd numbers of lands/grooves and the side doing the cutting tends to deflect without support on the other side.
Last edited by MikeS; 02/08/23.
Too close for irons, switching to scope...
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Joined: Nov 2006
Posts: 2,888
Campfire Regular
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OP
Campfire Regular
Joined: Nov 2006
Posts: 2,888 |
Ya’ll geeking out on my barrel…..that’s cool.
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Joined: Jun 2005
Posts: 2,220 Likes: 1
Campfire Regular
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Campfire Regular
Joined: Jun 2005
Posts: 2,220 Likes: 1 |
Guilty as charged. A friend just helped me contour and chamber a replacement barrel for my favorite 6.5-06 a couple of weeks ago. You will like a 5R barrel, they clean up easily and seem as accurate as my 4 groove Kriegers.
Too close for irons, switching to scope...
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Joined: Nov 2006
Posts: 2,888
Campfire Regular
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This will have been my 4th Bart. I expect great things.
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Joined: Jan 2008
Posts: 881
Campfire Regular
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Campfire Regular
Joined: Jan 2008
Posts: 881 |
Hutch what profile did you go with and length you plan to finish at?
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Joined: Nov 2006
Posts: 2,888
Campfire Regular
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Campfire Regular
Joined: Nov 2006
Posts: 2,888 |
Bart #3 at 20 which will allow for 5/8x24 thread with adequate shoulder. That’s the current plan but plans change….
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Joined: Mar 2005
Posts: 5,230
Campfire Tracker
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Campfire Tracker
Joined: Mar 2005
Posts: 5,230 |
My vote is 22x47 Lapua. 😂
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Joined: Jan 2008
Posts: 881
Campfire Regular
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Campfire Regular
Joined: Jan 2008
Posts: 881 |
Where I’m leaning towards too!
Last edited by hwy84; 02/13/23.
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