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Joined: Feb 2002
Posts: 32,044
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Feb 2002
Posts: 32,044 |
If you were building a 308 for long range shooting, then what barrel twist would you choose?
A Doe walks out of the woods today and says, that is the last time I'm going to do that for Two Bucks.
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Joined: Oct 2002
Posts: 96,121
Campfire Oracle
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Campfire Oracle
Joined: Oct 2002
Posts: 96,121 |
The same as short range, 1-10"
"Dear Lord, save me from Your followers"
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Joined: Jun 2004
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Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,860 Likes: 4 |
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Joined: Sep 2001
Posts: 19,077
Campfire Ranger
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Campfire Ranger
Joined: Sep 2001
Posts: 19,077 |
I'd go 9 if choosing a custom barrel.
Why, a few reasons. More rpm/splat factr with varmint bullets. More centrifugal force for opening coppers, plenty of twist for the longest bullets in the worse atmo, more choices if subsonic is ever on the menu.
All that said, both my 308s are factory 1/12 Rem. I recently shot the 215gr Berger out to 1800 yards with good accuracy. Target was 30" wide x 20" tall. Near calm, 4500 ft, 80F, 22.8 mils, two near misses, then a hit.
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Joined: Oct 2002
Posts: 96,121
Campfire Oracle
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Campfire Oracle
Joined: Oct 2002
Posts: 96,121 |
"Dear Lord, save me from Your followers"
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Joined: Aug 2007
Posts: 115,424 Likes: 13
Campfire Sage
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Campfire Sage
Joined: Aug 2007
Posts: 115,424 Likes: 13 |
Trump being classless,tasteless and clueless as usual. Sorry, trump is a no tax payin pile of shiit. My young wife decided to play the field and had moved several dudes into my house
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Joined: Oct 2002
Posts: 96,121
Campfire Oracle
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Campfire Oracle
Joined: Oct 2002
Posts: 96,121 |
"Dear Lord, save me from Your followers"
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Joined: Mar 2003
Posts: 17,179
Campfire Ranger
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Campfire Ranger
Joined: Mar 2003
Posts: 17,179 |
Randy NRA Patriot Life Benefactor
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Joined: May 2012
Posts: 2,253
Campfire Regular
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Campfire Regular
Joined: May 2012
Posts: 2,253 |
My very best barrel is an early90's Schneider that ROBAR did for me, he said it was a left over, overrun barrel Schneider had from a Marine contract, when the gun got home 7 mos after I sent it to AZ, barkman put a note with it that said the gun was set up for federal GM match 168 gr and would one hole, I went to 5 places in town and found a fewboxes of FGMM and sure nuff it was and still is my most accurate 308, it does shoot the 168's better than the 175's...But its no slouch with the 175's. They say not to deer hunt with the 168 match bullits but I guess Ive been lucky all go bang flop! v best winpoor
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Joined: May 2012
Posts: 2,253
Campfire Regular
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Campfire Regular
Joined: May 2012
Posts: 2,253 |
As a side note, due to some of you guys here, I bought a case of Lapua 155 senars when Graf and son had a sale in them just to see how they worked, super accurate and SW GA whitetails go down like a sack of cowfeed! It just deflates em, I split my deer within 30 min of nailing them and on heart lung shots they jello everything! v best winpoor Dam I have half or sometimers today, this barrel is 1 in 12!! As a side note to the OP, 500 yards IS long range where I live, I know out west where most of you guys shoot and hunt 500 is short and a chip shot.... v best win poor Remember the toes you step on going up for they may be attached to the azz you kiss coming down! A Brock jr!
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Joined: Apr 2010
Posts: 834
Campfire Regular
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Campfire Regular
Joined: Apr 2010
Posts: 834 |
They'll all shoot. 9 just shoots better.
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Joined: Jun 2009
Posts: 1,461
Campfire Regular
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Campfire Regular
Joined: Jun 2009
Posts: 1,461 |
for me it would not matter if it was a 10 or 11. as long as it is a krieger.
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Joined: Dec 2007
Posts: 1,258
Campfire Regular
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Campfire Regular
Joined: Dec 2007
Posts: 1,258 |
I did my last one with a 1-10 Benchmark and use it with 190gn SMK and 208gn A-MAX.
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Joined: Nov 2002
Posts: 21,772 Likes: 2
Campfire Ranger
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Campfire Ranger
Joined: Nov 2002
Posts: 21,772 Likes: 2 |
What bullet? Mynewestbarrel is11.25 5R Used 1 in 10 for 175s with good success
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Joined: Oct 2006
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Campfire Tracker
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Campfire Tracker
Joined: Oct 2006
Posts: 7,446 |
1-10 or 1-11 and rock on!!
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Joined: Aug 2006
Posts: 874
Campfire Regular
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Campfire Regular
Joined: Aug 2006
Posts: 874 |
in the Palma match, shooters have to use 155grs bullets, and use a 1-14 twist for the most part. Palma is 800, 900 and a 1,000 yds.
Ghost
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Joined: Apr 2006
Posts: 2,995
Campfire Regular
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Campfire Regular
Joined: Apr 2006
Posts: 2,995 |
The absolute best 308 hammers I've ever used were 1-11 twist. Had a 1-9 schneider that was a sh*t sammich.
When people face the possibility of freezing or starving there is little chance they are going to listen to unfounded claims of climate doomsday from a bunch of ultra-rich yacht sailing private jet-setting carbon-spewing hypocrite elites
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Joined: Oct 2009
Posts: 5,197
Campfire Tracker
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Campfire Tracker
Joined: Oct 2009
Posts: 5,197 |
All of my .308's sport 1-11" barrels made by Bartlein, Krieger, and Rock. They hammer everything I've shot through them.
Luck....is the residue of design...
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Joined: Jan 2004
Posts: 10,915
Campfire Outfitter
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Campfire Outfitter
Joined: Jan 2004
Posts: 10,915 |
My GAP .308 is an 11 twist and is scary accurate!
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Joined: Oct 2003
Posts: 4,516
Campfire Tracker
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Campfire Tracker
Joined: Oct 2003
Posts: 4,516 |
Matching the barrel twist to the bullet(s) you want to use is a wise approach, making sure the bullet(s) would be adequately stabilized to maximize BC under all conditions you think you would be shooting in.
One thing to remember is that guys who shoot only in the thin air of the Rockies can get away with shooting slower twists than those of us who shoot closer to sea level. Also have read experience of those who found that barrels that don't have a fast enough twist for optimal stability for a particular bullet can still shoot tight groups with that bullet, so a slower twist may still be accurate while robbing you of some BC.
For what I'm wanting to do over the next few years, it's looking like a factory 1:10" twist will be adequate, but if I was to rebarrel, I very well might go with a faster twist (e.g., 1:9").
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