An Ackley Improved section???

[Whynot]

As for forming brass, it's pretty simple:

1. Run your new parent case brass through your FL Ackley die. This will set the neck/shoulder position back as the steeper shoulder angle usually necessitates the neck/shoulder junction being moved back a bit creating a slightly longer neck..

As I understand it- one of the benefits of Ackley is that you can still use the factory ammo from the parent case. I've never had to set the neck/shoulder area back at all- The ackley is a few thousands shorter.... but with the case only making contact with the chamber at 1 point (before fire forming) you can easily close the bolt on it. This also holds the case true and you get consistent results.

The biggest benefit in my mind is the lack of trimming... it really does make a difference. I have some 260 AI brass that has 10 firings on it and I have never had to trim.

[geneackley]

My reasons for going to the 280 Ackley were simply that I was trying to get as close as I could to 7mm Rem Magnum performance without the need for the expensive and funky belted brass. 280 AI could be made from old, abundant, cheap, 30-06 brass and is within 50 FPS of the 7 Rem Mag!!!! Good enough for me given the much lower expense.

The fact that the cases need less trimming is a plus. The fact that its an unusual and exotic caliber also helps... And a real conversation starter on the range I bet...

[yobuck]

My reasons for going to the 280 Ackley were simply that I was trying to get as close as I could to 7mm Rem Magnum performance without the need for the expensive and funky belted brass. 280 AI could be made from old, abundant, cheap, 30-06 brass and is within 50 FPS of the 7 Rem Mag!!!! Good enough for me given the much lower expense.

The fact that the cases need less trimming is a plus. The fact that its an unusual and exotic caliber also helps... And a real conversation starter on the range I bet...

All good points that you make, especially the less trimming which may be the only one you can hang your hat on.
As for the (funky) belt, its simply a different way to headspace a case.
It could also be used as an additional way to headspace a case by using both the shoulder and the belt.
A decade or so ago somebody in the long range accuracy world got the notion that belts were bad for accuracy.
Never mind that records were set with belted cartridges that very few of those guys ever matched, to this very day i might add.
But before long about every head nodder was spreading the word that belted cases were no good.
So other cases began to reappear that hadnt been seen for a long time, Rigby cases for example.
But like most other things that bunch can dream up that fad fizzled away also.
Have you seen your megplat trimmer lately? lol
Today theve pretty much gotten away from all the large cases in favor of smaller ones
And they have also moved to getting all the shots off as quickly as possible by using a joystick front rest, like 10 shots in less than 1 minit.
I wonder which is apt to have the most impact on the results?

[geneackley]

Unfortunately though I already have my KRG Bravo stock, Nucleus action and Trigger tech trigger, my barrel wont be forthcoming for several more months... So I bought a cheap take off 30-06 and am considering putting it on in the meantime to be able to enjoy the gun and make brass to reload till my Xcaliber barrel gets here.

I also need 280 dies that have been ordered from Brownell's but are on back order...

So its just a waiting game now....

The only unordered (and as yet undecided) item in this project is the scope. But you can bet it wont be a Vortex!!! ( ha ha ).

[fla9-40]

The only unordered (and as yet undecided) item in this project is the scope. But you can bet it wont be a Vortex!!! ( ha ha ).

Why not a Vortex?

[ragsflh]

have several ai calibers,like the hotrod bullet speed.

[Robinhood]

Why not a Vortex?

Because you don't want to use a lifetime warranty 5 times before you sell it(buyer beware) to buy another scope.

[nksmfamjp]

I’m not debating you on if we need one....

what usually causes a forum owner to create additional sections is when something like the Savage 10/110 four gets filled with custom build talk or caliber talk or Gunsmithing for example and the “how do I get my Savage 10 trigger adjusted right” gets bumped to the second page before it gets an answer.

[texken]

the .280 ai does really well, probably one of the best to gain

[WYOWINCHESTER]

I shoot the 22-250AKLY. My go to rifle for varmints, p-dogs.... I bore people with it all the time. Thought about others, but not yet.

[cowboybart]

I have a bunch of AI guns. At first, I was looking for magnum performance w/o the recoil/blast. That didn't happen. There are vel gains, but not 200 fps. I like them for the "cool" factor and that I don't have to trim the brass.

6mm Rem AI, 257 Roberts AI, 260 AI, 6.5-06 AI, 7x57AI, 280 AI, 30-06 AI, 30-30 AI, 375 H&H AI. I have 223 AI and 22-250 AI dies, just haven't gotten around to building the rifles yet.

[Dave Hoback]

I have a bunch of AI guns. At first, I was looking for magnum performance w/o the recoil/blast. That didn't happen. There are vel gains, but not 200 fps. I like them for the "cool" factor and that I don't have to trim the brass.

6mm Rem AI, 257 Roberts AI, 260 AI, 6.5-06 AI, 7x57AI, 280 AI, 30-06 AI, 30-30 AI, 375 H&H AI. I have 223 AI and 22-250 AI dies, just haven't gotten around to building the rifles yet.

By Odin's Beard! You are like the Ackley Kid here, LOL! I'm planning to go AI with my 260 on next rebarrel. I should have done it from the start...but, hindsight & all. Meh. Ah well.

[BillPa]

As I understand it- one of the benefits of Ackley is that you can still use the factory ammo from the parent case.

That's the hallmark of a "true" improved cartridge, the ability to fire the parent cartridge in an improved chamber without alteration.
I currently shoot three improved cartridge and a wildcat in the improved configuration , a 22-250, 250, 280 and the 'cat 270-08 Imp 40. For the first three I simply load and fire their parent's brass. For the 270, I run 308 Win brass in a 7-08 FL die sans expander stopped short to create a false shoulder for a .004"-.005" crush fit in the 270-08 Imp chamber.

Bill