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  #21  
Old 07-09-2021, 05:20 PM
Wiserfool Wiserfool is offline
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Originally Posted by Oso Polaris View Post
What weight/size bullets are you planning to use? Throat and free bore comes into play.

I Like BACON!!!
I will throat and twist (7.5) this build to shoot the heavies, primarily Hornady 105 HPBT, but possibly the long Bergers and Sierras as well. It's main fodder will include Hornady 87gr V-Max in the gopher patch, although I will be ok with a jump to the lands to retain the ability to use the heavies when desired.
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  #22  
Old 07-09-2021, 05:34 PM
Al Nyhus Al Nyhus is offline
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Wiserfool, I'll add a bit to my recommendation on the Wilson seater.

The older Wilson seaters were made from 12L14, which is a leaded steel alloy. As such, it's very, very easy to machine or lap. The newer Wilson seaters are a stainless material...much harder to rechamber.

Bob White at https://theshooterscorner.com/ has a large stock of used older Wilson seaters and parts priced very reasonably. Just get one in the 223-family (221, 222, 223, 222 Magnum) and have him include a 6mm seating stem.

You'll have less money in it than a new one and it will be easier for your 'smith to chamber with your reamer.

You can also check with L.E. Wilson as I've heard they still offer new 12L14 seater blanks as a non-cataloged item.

Bob would also be a source for a nice used arbor press. Give him a call as he has many, many items not listed on his website. Also, the Wilson gear in under the 'Reloading Equipment, tab...not the 'Dies' section.

For what it's worth. -Al
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  #23  
Old 07-09-2021, 05:42 PM
Bayou City Boy Bayou City Boy is offline
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Originally Posted by Wiserfool View Post
BCB Well, I do like a good bacon and make my own to boot! I had searched past posts extensively before making this post, and encountered lots of x not y, followed by ain't x = y. Sometimes, life can be a festival of inevitability.
So true..........

The world is full of people who know what you need more than you do.

-BCB
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I miss mean Tweets, competence, and $1.79 per gallon gasoline.

Yo no creo en santos que orinan.

Women and cats will do as they please. Men and dogs should relax and just get used to the idea.

Going keyboard postal over something that you read on the internet is like seeing a pile of dog crap on the sidewalk and choosing to step in it rather than stepping around it.

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Last edited by Bayou City Boy; 07-09-2021 at 05:44 PM.
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  #24  
Old 07-09-2021, 05:48 PM
Oso Polaris Oso Polaris is offline
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Mine was throated to run 80gr Berger and 85gr Sierra in my 6x45AI.

You are asking a lot shooting 95gr - 105gr heavies out of 223 based cartridge. With bolt gun you can load bullets long to keep as retain powder volume, but short neck of AI and longer boattail on high BC bullets begins to work against you. Mach up some dummy rounds and see how much of bullet will be forced to seat into case (below neck).

I LIKE BACON... I know you are set on 6x45AI, but you might give some serious consideration for the 6ARC (6mm Grendel) to get the extra velocity to do that bullet weight justice, or this is where the 6mm-204 starts making sense just for longer case neck to allow loading long and retaining max powder charge. From a powder charge perspective (rough math) the 223Ai,222 Rem Mag, and 204 Ruger all have approx. same powder capacity.

PS - LeverEvolution and CFE223 will be some of the fastest. ARComp and 8208XBR will be close and also temp stable.

Last edited by Oso Polaris; 07-09-2021 at 05:58 PM.
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  #25  
Old 07-09-2021, 05:55 PM
Bayou City Boy Bayou City Boy is offline
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Originally Posted by Oso Polaris View Post
Mine was throated to run 80gr Berger and 85gr Sierra in my 6x45AI.

You are asking a lot shooting 95gr - 105gr heavies out of 223 based cartridge. With bolt gun you can load bullets long to keep as retain powder volume, but short neck of AI and longer boattail on high BC bullets begins to work against you. Mach up some dummy rounds and see how much of bullet will be forced to seat into case (below neck).

I LIKE BACON... I know you are set on 6x45AI, but you might give some serious consideration for the 6ARC (6mm Grendel) to get the extra velocity to do that weight bullet justice. or this is where the 6mm-204 starts making sense just for longer case neck to allow loading long and retaining max powder sharge.

PS - LeverEvolution and CFE223 will be some of the fastest. ARComp and 8208XBR will be close and also temp stable.
After the bolded is when they offered their response. It wasn't to justify telling someone that they needed y and not x that the poster wanted.

Darn kids.always wanting extra attention......

-BCB
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I miss mean Tweets, competence, and $1.79 per gallon gasoline.

Yo no creo en santos que orinan.

Women and cats will do as they please. Men and dogs should relax and just get used to the idea.

Going keyboard postal over something that you read on the internet is like seeing a pile of dog crap on the sidewalk and choosing to step in it rather than stepping around it.

If You're Afraid To Offend, You Can't Be Honest - Thomas Paine
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  #26  
Old 07-09-2021, 06:16 PM
Bill K Bill K is offline
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Bill, a custom seater may just have to happen. I'm a bit of a cheap pr1ck is my biggest problem...[/quote]

I understand trying to save money, but in the long haul and for a decent and proper seating die, the money spent on a good one, once, is worth it in the long run.
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  #27  
Old 07-09-2021, 06:31 PM
Oso Polaris Oso Polaris is offline
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Quote:
Originally Posted by Bayou City Boy View Post
After the bolded is when they offered their response. It wasn't to justify telling someone that they needed y and not x that the poster wanted.

Darn kids.always wanting extra attention......

-BCB
BCB - If it weren't for the rain and/or heat, I would be dying to go to woods to kill some BACON & HAM.

Most 6x45's are geared toward 60gr class of 6mm bullets (flat based target bullets). I spent a lot of time figuring out the reamer design for my 6x45AI. I bent Sherm's ear quite a bit as well as JGS. I tried every conceivable way to maximize COAL, specifically neck length of AI case so that I could load long and limit amount of bullet base that seated below the neck line.

The 100-150fps advantage of 223AI case is realized with lighter/smaller bullets that can be seated in the neck so gain full benefit of additional case capacity to use for powder over standard 223 case. As you start moving toward heavier high bc bullets the incremental powder capacity gain of the AI case compared to straight 223 case begins to diminish. Shorter AI neck means can't load as long with base of bullet seating into the case taking away powder capacity.

That is all I have to add for contemplation.

Last edited by Oso Polaris; 07-09-2021 at 06:42 PM.
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  #28  
Old 07-09-2021, 06:42 PM
Wiserfool Wiserfool is offline
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Quote:
Originally Posted by Oso Polaris View Post

PS - LeverEvolution and CFE223 will be some of the fastest.
I'm a bit of a LeverEvolution slut if I do say so myself. GREAT to hear you suggest that. That's probably a main factor in my decision to go AI rather than straight 6x45, even though it would be sooo much easier. That extra little bit of case capacity is something Lever can really make use of.

Al, again thank you sir for sharing your obvious experience and trigger time so freely.

BCB, And I even said, "please."

Bill, I can't argue with buy once, cry once.
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  #29  
Old 07-09-2021, 06:53 PM
Wiserfool Wiserfool is offline
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Quote:
Originally Posted by Oso Polaris View Post
Shorter AI neck means can't load as long with base of bullet seating into the case taking away powder capacity.

That is all I have to add for contemplation.
Now differences in neck/shoulder junction position between vanilla and AI 6x45 versions is something I hadn't thought of. THAT'S got me thinking again.... Thanks for that!
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  #30  
Old 07-09-2021, 07:37 PM
Oso Polaris Oso Polaris is offline
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I took a quick picture. of my 6x45AI case loaded with 80gr Berger (flat based) and aligned the 95gr SMK and 105gr Berger Hybrid. Tip of bullets are all aligned on same plane and I have positioned cases so that bottom of case neck aligns to top beginning point of bearing surface of bullet (above the BT radius). So long as you have ability to load really long then don't have to cram bullet too deep into case for heavies.


I built my with intention of 300 yards (mostly range time) so the flat based bullet worked out nicely and didn't eat up any powder capacity. I have other 6mm (larger cartridges) for longer distances. This is my rifle...


Sako L461 (6x45AI)

Last edited by Oso Polaris; 07-09-2021 at 07:43 PM.
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