Calling all AI shooters

[waltercrouse]

I have .270 win imp. and I use 270 weatherby neck sizer die to form cases. I use the standard case length of 270 win- 2.540 in., when I trim the brass. The weatherby die does not crush the expand cases of the 270 improved ,as a standard 270 win die will. Some of the brass you have watch for cracks at the web near the base. I had problems with Federal cases cracking at the web. Winchester and Remington cases , I had no problems. Good Luck

I also have 243,7mm,250,30'06,308, and 8mm improved rifles. The 250 sav imp is very good rifle to use on targets and deer. The 250 imp ,I can use 22-250 rem cases. The neck sometimes come up short with 22-250 case when they are improved.

 

[MudRunner2005]

Well I got the barrel came in around the 2nd week of January, and man is it pretty. Still waiting on the AI headspace gauges, hopefully any day now.

I have a brass brand question.
What brand brass is preferred?
I have read RWS is really good, but no experience with it. Is it worth the cost?
I have a lot of Rem and Win brass already.

Thanks again,
Scott

I like Lapua and Nosler...Winchester 270 brass has been good to me. No experience with RWS, but I hear good things.

 

[CHESSIEHUNTER12]

I've used fire forming with cream-o-wheat/corn meal for 280AI in the past. Would the hydraulic forming method be a better option?

 

[tbrice23]

It would pour less heat in your new barrel!
Even with hydraulic dies the shoulders will not be completely sharp. And their a lot more expensive than COW. It may take months to receive the Hydro die.

 

[Scoobyh]

Thanks Mudrunner and tbrice. Same here on the RWS, it's kind of pricey, but what good brass isn't.
Is there a chance of doing my seating depth testing while fireforming with a mild loading?

 

[MudRunner2005]

Thanks Mudrunner and tbrice. Same here on the RWS, it's kind of pricey, but what good brass isn't.
Is there a chance of doing my seating depth testing while fireforming with a mild loading?

Seat the Bergers anywhere from 0.015" to 0.025" off the lands and see how that works for you.

 

[DocDoc]

Scoobyh
The seating depth test is supposed to be primarily dependent on the bullet alone, so ff loads should get you close. That is my experience with a .260 AI.