223 Twist Rate

If you are going to shoot 80s, get 1:8. Usually a 1:9 is fine to 75gr. Some have reported shooting 80s from a 1:9; mine won't do it.
 
Diver said:
I shoot 80 gr SMK out of my Lothar Walther 1-8 twist barrel without any problems.
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Win the lottery? A mate of mine does the same and its possibly the single reason he is still single. Financing his habit!
 
Thanks for the replies. I'm going to go with a 1-8 twist. Most likely will be shooting 60gr V-Max for varmints and I'll try 75gr A-Max for long range.
 
What about 1-12???

So... sorry to jump in here... but if you have a bolt .223 with a 1-12 twist, what is the optimum bullet weight range for that twist?
 
NAA said:
So... sorry to jump in here... but if you have a bolt .223 with a 1-12 twist, what is the optimum bullet weight range for that twist?
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Mine has a 12" twist and seems to Favour the 40-50 grain bullets.
 
1:12 should be fine up to 55gr. spitzers, or blunt heavier ones. Unlikely that 62, 68, 69gr spitzers would work.
 
tiriaq said:
1:12 should be fine up to 55gr. spitzers, or blunt heavier ones. Unlikely that 62, 68, 69gr spitzers would work.
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Okay, good to know, thanks. I notice that the Rem 700 V laminated in .223 has a 1-12 twist. While the Savage heavy barrel varmint rifles in .223 seem to be 1-9 [according to website info]. So, the Savage would do better with the heavier bullets, too then?
 
BCWILL said:
Mine has a 12" twist and seems to Favour the 40-50 grain bullets.
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Explains why both my Rem bolts [factory twist is 1-12] in .223 are tack drivers with that cheap Winchester whitebox .223 with the 45 gr hollow-point bullets [costs about $18 for a box of 40 rounds at WalMart :eek: ]
 
The rifles with quicker twists are more versatile, able to handle a wider range of bullets. Lighter bullets out of a quick twist barrel will usually shoot just fine. In theory, lighter bullets should do better out of a slower twist barrel - this is the benchrest experience - in practice, it doesn't make much difference.
 
tiriaq said:
The rifles with quicker twists are more versatile, able to handle a wider range of bullets. Lighter bullets out of a quick twist barrel will usually shoot just fine. In theory, lighter bullets should do better out of a slower twist barrel - this is the benchrest experience - in practice, it doesn't make much difference.
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Thanks for the info.... I'm going to take a serious look at the Savage heavy barrels with the 1-9 twist for my next .223 bolt rifle purchase.

Although I do see the Rem 700 P in .223 is rated with a 1-9 twist.

700p1.jpg


http://www.remingtonle.com/rifles/700p.htm
 
Quite by accident I found out that my ruger 77Mk11HBVT is a 1 in 12. I thought at first that would be a pain if I wanted to reach out to 600 and beyond. Ihave yet to kill beyond 300 but I am more than happy with sierra gamekings at 55gns. A pig to get the bullet and case to meet at times in the press but damn fine little round all the same!
 
NAA said:
Okay, good to know, thanks. I notice that the Rem 700 V laminated in .223 has a 1-12 twist. While the Savage heavy barrel varmint rifles in .223 seem to be 1-9 [according to website info]. So, the Savage would do better with the heavier bullets, too then?
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My Stevens 200 is rechambered to 223 Ackley Imp and will stabilze the 75 gr A-Max withn no problem at all.

NAA said:
Explains why both my Rem bolts [factory twist is 1-12] in .223 are tack drivers with that cheap Winchester whitebox .223 with the 45 gr hollow-point bullets [costs about $18 for a box of 40 rounds at WalMart :eek: ]
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The Stevens does the same fireforming to 223 AI!. :D


Ted
 
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As I have been developing loads for my Tikka .223 Tactical, I have found the consistency and "tiny-ness" :) of my groups improving as I head towards the 75-80 grain bullets. Twist? 1 - 8".
 
NAA said:
Thanks for the info.... I'm going to take a serious look at the Savage heavy barrels with the 1-9 twist for my next .223 bolt rifle purchase.

Although I do see the Rem 700 P in .223 is rated with a 1-9 twist.

700p1.jpg


http://www.remingtonle.com/rifles/700p.htm
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I purchased a Rem 700 P in 223 this last year and installed a Bushnell Elite 4200 6X-24X A/O Mil-Dot.

The only loads I have had time to work up so far are varmint loads. I consistantly get one hole clover leaf groups @ 100 yards and have gotten 2 3/4" groups on a breezy day @ 300 yards.

I was consistantly doing head shots on gophers out too 150 yards this last summer with these loads even on windy days.

I totally recommend the Rem 700 P....
 
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