222 1-12 twist rate loads

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222 1-12 twist rate loads

Post by bigrich » 22 Dec 2018, 12:16 pm

hey fellas, anybody loading for a 1-12 twist rate 222, and does this faster twist (1-14 being the original) ,affect powder choice at all ? would like to hear a few opinions and load recommendations. i have AR2205 ,AR2207, AR2206H, BENCHMARK 2 and AR2208 to play with. looking at using 50 gn nosler bt's, maybe looking at a 60 gn load later. the likely starting point is ar2207 methinks . thanks in advance :drinks: :thumbsup:
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Re: 222 1-12 twist rate loads

Post by JimTom » 22 Dec 2018, 12:59 pm

Mate I think 55gn projectiles would be about the biggest for a 1:12 twist. I dont have a .222, but this is the case for my .223.
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Re: 222 1-12 twist rate loads

Post by bladeracer » 22 Dec 2018, 1:08 pm

JimTom wrote:Mate I think 55gn projectiles would be about the biggest for a 1:12 twist. I dont have a .222, but this is the case for my .223.


Depends on bullet length, not weight. A blunt FB SP 60gn might work just fine, a 55gn BT might not.
Boat tails and polymer tips make bullets significantly longer than a flat-base exposed lead nose of the same weight.
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Re: 222 1-12 twist rate loads

Post by bigrich » 22 Dec 2018, 1:47 pm

i've heard 55 gn were marginal whether or not they work in a 1-14 twist in a 222, was hoping the change in twist might make it more do-able to use bullet weights over 50 gn. the 50 nosler bt's will probably be fine for me, but heavier projectiles gives me more options. if i could get 60 gn partitions to work that would make it a very useful 222 :unknown:

:drinks: :thumbsup:
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Re: 222 1-12 twist rate loads

Post by JimTom » 22 Dec 2018, 1:50 pm

bladeracer wrote:
JimTom wrote:Mate I think 55gn projectiles would be about the biggest for a 1:12 twist. I dont have a .222, but this is the case for my .223.


Depends on bullet length, not weight. A blunt FB SP 60gn might work just fine, a 55gn BT might not.
Boat tails and polymer tips make bullets significantly longer than a flat-base exposed lead nose of the same weight.


Yeah mate I know twist rate and stability relates to projectile length, not weight, however as a general rule the heavier they are the longer they are. Of course there are a few exceptions.
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Re: 222 1-12 twist rate loads

Post by bladeracer » 22 Dec 2018, 2:14 pm

bigrich wrote:i've heard 55 gn were marginal whether or not they work in a 1-14 twist in a 222, was hoping the change in twist might make it more do-able to use bullet weights over 50 gn. the 50 nosler bt's will probably be fine for me, but heavier projectiles gives me more options. if i could get 60 gn partitions to work that would make it a very useful 222 :unknown:

:drinks: :thumbsup:


I was chatting with a guy on FB the other day. He has a .22-250 12"-twist and reckons the Speer 60gn SP works fine. I don't know if it will be but might be worth a try if you're looking for a heavier bullet.
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Re: 222 1-12 twist rate loads

Post by bladeracer » 22 Dec 2018, 2:25 pm

JimTom wrote:Yeah mate I know twist rate and stability relates to projectile length, not weight, however as a general rule the heavier they are the longer they are. Of course there are a few exceptions.


If they're the same design then heavier will be longer. Start comparing boat-tails, monolithic, HP and BT though and the differences get significant.
Just looking at Hornady they have six 55gn bullets varying from .697" for the soft-point up to .808" for the boat-tail VMax BT. They offer two 60gn bullets that are shorter than the VMax. A Barnes monolithic brass 55gn bullet though is up to .898" long - 5mm longer than the Hornady SP.
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Re: 222 1-12 twist rate loads

Post by marksman » 22 Dec 2018, 3:39 pm

I find benchmark2 to be a good powder behind 52 grain sierra's, lapua cases and remington primers :drinks:
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Re: 222 1-12 twist rate loads

Post by bigrich » 22 Dec 2018, 6:08 pm

bladeracer wrote:
bigrich wrote:i've heard 55 gn were marginal whether or not they work in a 1-14 twist in a 222, was hoping the change in twist might make it more do-able to use bullet weights over 50 gn. the 50 nosler bt's will probably be fine for me, but heavier projectiles gives me more options. if i could get 60 gn partitions to work that would make it a very useful 222 :unknown:

:drinks: :thumbsup:


I was chatting with a guy on FB the other day. He has a .22-250 12"-twist and reckons the Speer 60gn SP works fine. I don't know if it will be but might be worth a try if you're looking for a heavier bullet.


caught up with stoney in person this arvo, and he was kindly gave me some 60 gr vmax to try . i know what your talking about with bullet shape and length, in my 22 krico hornet it loved these short fat sierra "hornet" sp that shot better than 40 vmax. ya wouldn't have guessed to compare the two...... :D
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Re: 222 1-12 twist rate loads

Post by JimTom » 22 Dec 2018, 6:12 pm

bladeracer wrote:
JimTom wrote:Yeah mate I know twist rate and stability relates to projectile length, not weight, however as a general rule the heavier they are the longer they are. Of course there are a few exceptions.


If they're the same design then heavier will be longer. Start comparing boat-tails, monolithic, HP and BT though and the differences get significant.
Just looking at Hornady they have six 55gn bullets varying from .697" for the soft-point up to .808" for the boat-tail VMax BT. They offer two 60gn bullets that are shorter than the VMax. A Barnes monolithic brass 55gn bullet though is up to .898" long - 5mm longer than the Hornady SP.


Can’t argue with that. Bit of work involved in that post. Cheers mate.
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Re: 222 1-12 twist rate loads

Post by Stoney » 22 Dec 2018, 7:17 pm

bigrich wrote:
bladeracer wrote:
bigrich wrote:i've heard 55 gn were marginal whether or not they work in a 1-14 twist in a 222, was hoping the change in twist might make it more do-able to use bullet weights over 50 gn. the 50 nosler bt's will probably be fine for me, but heavier projectiles gives me more options. if i could get 60 gn partitions to work that would make it a very useful 222 :unknown:

:drinks: :thumbsup:


I was chatting with a guy on FB the other day. He has a .22-250 12"-twist and reckons the Speer 60gn SP works fine. I don't know if it will be but might be worth a try if you're looking for a heavier bullet.


caught up with stoney in person this arvo, and he was kindly gave me some 60 gr vmax to try . i know what your talking about with bullet shape and length, in my 22 krico hornet it loved these short fat sierra "hornet" sp that shot better than 40 vmax. ya wouldn't have guessed to compare the two...... :D


I find nothing is definitive and sometimes definitive is not 100%. Load them bigrich, and just see how they go. You will get a surprise either way :D :D :D
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Re: 222 1-12 twist rate loads

Post by AZZA'S HJ47 » 22 Dec 2018, 7:22 pm

Will hopefully be getting my 222 back soon from Swan after making the call to replace the barrel on the old duck. I decided to go for a 1-12 twist barrel. I will be doing some testing in the New year. My plans is to use the 55g super roo as my projectile. Cheap cost effective have to wait and see. Fingers crossed the combo works.
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Re: 222 1-12 twist rate loads

Post by JimTom » 22 Dec 2018, 7:54 pm

From memory the 55gn Speer Sp are around $185/1000.
I grabbed a box around $200 some time back.
They seem to go alright.
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Re: 222 1-12 twist rate loads

Post by bigrich » 22 Dec 2018, 8:19 pm

AZZA'S HJ47 wrote:Will hopefully be getting my 222 back soon from Swan after making the call to replace the barrel on the old duck. I decided to go for a 1-12 twist barrel. I will be doing some testing in the New year. My plans is to use the 55g super roo as my projectile. Cheap cost effective have to wait and see. Fingers crossed the combo works.


funny you should say that azza, i picked up my 222 winchester on wednesday from swan's . mine was in just for the barrel . hopefully yours wont be too much longer. they're flat out though, allan rang me at 7:30 at night to tell me it was ready :wtf:

:drinks: :drinks: :thumbsup:
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Re: 222 1-12 twist rate loads

Post by bigrich » 22 Dec 2018, 8:26 pm

here's my baby. i bedded and floated it and tru oiled the stock while the barrel was being done
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mod 70 222 xtr
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Re: 222 1-12 twist rate loads

Post by bigrich » 22 Dec 2018, 8:39 pm

i ran in the barrel at belmont on friday (ripley is closed till the fourth :( ) , yes i'm OCD. brushed and patched after every shot for first ten, then after every five from then on. put close to thirty through it so far . i used a mild load of 20.5 gr of ar2206h with a 50 gr hornady sp . thanks for the load Daddybang :thumbsup: i reckon it was going slower than a hornet :D ADI list 2466 FPS for 20 grains , still it didn't group too bad. bit of a cross wind didn't help. i reckon it'll close up with ar2207 and a boat tail nosler BT . with a little sear polishing and a bit of adjustment, the triggers beautiful with zero creep. happy daze....... :drinks: :drinks: :thumbsup:
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"soft" 222 load at 100
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Re: 222 1-12 twist rate loads

Post by AZZA'S HJ47 » 22 Dec 2018, 9:56 pm

bigrich wrote:
AZZA'S HJ47 wrote:Will hopefully be getting my 222 back soon from Swan after making the call to replace the barrel on the old duck. I decided to go for a 1-12 twist barrel. I will be doing some testing in the New year. My plans is to use the 55g super roo as my projectile. Cheap cost effective have to wait and see. Fingers crossed the combo works.


funny you should say that azza, i picked up my 222 winchester on wednesday from swan's . mine was in just for the barrel . hopefully yours wont be too much longer. they're flat out though, allan rang me at 7:30 at night to tell me it was ready :wtf:

:drinks: :drinks: :thumbsup:


Mine is in for much the same new barrel decided whilst she was down to get a cerakote job done on the rifle as it will be one of my hunting rifles predominantly. Have skso refinished my stock and will re do the bedding once its all home.
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Howa 1500 Stainless 308
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Re: 222 1-12 twist rate loads

Post by bigrich » 22 Dec 2018, 11:06 pm

super roo's hey azza ? i might have to look into these :thumbsup:
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