7x57 ai die set

[300backfire]

ok ive changed my mind once again. im going with my first choice for chambering. 7x57ai. before I order a set from rcbs or redding does anyone know of a set for sale any place

[300backfire]

did a bit of research, as I understand things I can use a collet die for a normal 7x57 to neck size the Ackley improved. does this sound right? would the body of an ai fit in the die. because its only neck sizing maybe the die is oversized enouph to accomidate the Ackley case

[dogslayer403]

Ackley chamberimgs only change the shoulder angle the body is the same size

[Pathfinder76]

Prophet river has a Redding set in stock.

http://store.prophetriver.com/full-length-sets/

[Lefty-Canuck]

Originally Posted by 300backfire

did a bit of research, as I understand things I can use a collet die for a normal 7x57 to neck size the Ackley improved. does this sound right? would the body of an ai fit in the die. because its only neck sizing maybe the die is oversized enouph to accomidate the Ackley case

If you are using a LEE collet die...then yes the parent cartridge dies will work for the AI versions just fine.

LC

[Dean2]

While I agree the the 7x57 benefits nicely from being AIed you may want to consider what type of action you are using it in. The sharp shoulder on an AI will often cause feeding problems in bolt action rifles. If you are using a double or combo rifle, no problem.

The 150 FPS is not worth the lack of reliable feeding in my opinion. If you want to check yours before you ream just get some AIed brass, load 5 dummy rounds and try feeding them a bunch of times from the magazine of your rifle.

[DaleJ]

Originally Posted by dogslayer403

Ackley chamberimgs only change the shoulder angle the body is the same size

My Ackley Improved chambers straighten case bodies, and increase shoulder angle.

[300backfire]

thanks chuck, ordered them up

[catnthehat]

Originally Posted by DaleJ

My Ackley Improved chambers straighten case bodies, and increase shoulder angle.

X2! Most of the Ackley Improved cases i have ever seen that were truly designed by him blow out the case walls as well as the shoulder getting changed.
the AI handle has been hung on a lot lot wildcatted cases that were made long after Mr. Ackley went to quieter ranges, the 338AI being one.
Cat

[303carbine]

Originally Posted by 300backfire

ok ive changed my mind once again. im going with my first choice for chambering. 7x57ai. before I order a set from rcbs or redding does anyone know of a set for sale any place

I would keep the 7x57 original and just buy a nice 280 Remington.

[dogslayer403]

Originally Posted by catnthehat

X2! Most of the Ackley Improved cases i have ever seen that were truly designed by him blow out the case walls as well as the shoulder getting changed.
the AI handle has been hung on a lot lot wildcatted cases that were made long after Mr. Ackley went to quieter ranges, the 338AI being one.
Cat

My mistake i always thought the shoulder angle was all that was altered good to know

[Dean2]

Originally Posted by 303carbine

I would keep the 7x57 original and just buy a nice 280 Remington.

Very good suggestion. One point, if you load the 7x57 to the same pressure as the 280, and in a modern built 7x57 you can, published loads are kept mild due to all the old 7x57s around, they have virtually identical performance to each other. To me where the 280 starts to show a bigger advantage is in the 160 grain and above bullets. Both are exceptionally nice shooting guns that will do anything you need to on North American game.

[300backfire]

the thought was definatly there for 280ai but ive already had a 280. always wanted to build a 7x57 so here I go. I wouldn't mind staying with the original chambering but instead of running it at top end all the time im hoping that improving, I can still safely do that without the pressures. that is providing I don't push the improved to the limits. Ill primarily shoot 140gr and if I can do that between 2800-2900 im happy. im getting away from the magnums, 243,6.5x55, 270, 308 and now 7x57 I really enjoy shooting these mid range guns. seems silly 4 out of 5 really don't have any advantage over the other, but hey the wife don't know that

[303carbine]

Originally Posted by 300backfire

the thought was definatly there for 280ai but ive already had a 280. always wanted to build a 7x57 so here I go. I wouldn't mind staying with the original chambering but instead of running it at top end all the time im hoping that improving, I can still safely do that without the pressures. that is providing I don't push the improved to the limits. Ill primarily shoot 140gr and if I can do that between 2800-2900 im happy. im getting away from the magnums, 243,6.5x55, 270, 308 and now 7x57 I really enjoy shooting these mid range guns. seems silly 4 out of 5 really don't have any advantage over the other, but hey the wife don't know that

My Remington 700 in 7x57 shoots the 140 Nosler Partition's at 2830 fps, the 280 Remington I have shoots them at 2940 fps. Although I can ramp up the 280 for more fps, but again, I see no advantage of the 7x57 AI except for having something different.

[Lefty-Canuck]

Originally Posted by 303carbine

My Remington 700 in 7x57 shoots the 140 Nosler Partition's at 2830 fps, the 280 Remington I have shoots them at 2940 fps. Although I can ramp up the 280 for more fps, but again, I see no advantage of the 7x57 AI except for having something different.

Brass life, slight velocity increase, and not having to trim brass is a big plus to me!

LC

[ACKLEY ABE]

Originally Posted by 300backfire

the thought was definatly there for 280ai but ive already had a 280. always wanted to build a 7x57 so here I go. I wouldn't mind staying with the original chambering but instead of running it at top end all the time im hoping that improving, I can still safely do that without the pressures. that is providing I don't push the improved to the limits. Ill primarily shoot 140gr and if I can do that between 2800-2900 im happy. im getting away from the magnums, 243,6.5x55, 270, 308 and now 7x57 I really enjoy shooting these mid range guns. seems silly 4 out of 5 really don't have any advantage over the other, but hey the wife don't know that

Enjoy. Mine likes 154 Hornady's the best, for what it's worth. What rifle are you doing this on?

[300backfire]

its on a cooey m71 quite similar to win m70