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.257 ai

 
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  #8  
Old 10-19-2012, 01:21 PM
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Re: .257 ai

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Originally Posted by Trickymissfit View Post
Actually the .257 Roberts improved is a very easy case to fire form. Just load the case up near max, and you pretty much done. You can simply shoot factory .257 loads in the improved chamber if you want, but I found max loads worked best.
gary

sure...easy enough. Just like I have to do in my 25-06AI.....but if we didnt HAVE TO...it would be easier still....
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  #9  
Old 10-20-2012, 01:07 AM
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Re: .257 ai

Quote:
Originally Posted by Trickymissfit View Post
Actually the .257 Roberts improved is a very easy case to fire form. Just load the case up near max, and you pretty much done. You can simply shoot factory .257 loads in the improved chamber if you want, but I found max loads worked best.
gary
Or I can use 25wssm or 25-06 ammo in their respective rifles and not waste barrel life fireforming. The 257 ai is a cartridge in search of a reason to exist. Not saying it is bad, it is just moribund with other easier to get and cheaper rounds out there.
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  #10  
Old 10-20-2012, 09:48 AM
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Re: .257 ai

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Originally Posted by Lefty7mmstw View Post
Or I can use 25wssm or 25-06 ammo in their respective rifles and not waste barrel life fireforming. The 257 ai is a cartridge in search of a reason to exist. Not saying it is bad, it is just moribund with other easier to get and cheaper rounds out there.
I find it exactly the opposite. I cannot for the life of me see any reason for the 25WSM! Besides it's also a poor case design. I personally would prefer the 25/.284 over the 25-06.

Brother of mine was a big quarter bore person (still is), and he shot the 25-06 for several years as well as the standard Roberts and the .257AI in about ten different rifles. I also shot these same rifles quite a lot too. We both came to the same conclusion that the .257 Roberts based cases came out on top every time. WSM cases are over priced and hard to come by in my part of the country, and the necks are too short for the shoulder angle. Also for a cartridge design that's looking for a reason to exist; I find it interesting as it's almost a tie with the .338-06 as the two most often built wildcat chambers (I know the .338-06 is now standardized)
gary
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  #11  
Old 10-20-2012, 04:46 PM
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Re: .257 ai

Quote:
Originally Posted by Trickymissfit View Post
I find it exactly the opposite. I cannot for the life of me see any reason for the 25WSM! Besides it's also a poor case design. I personally would prefer the 25/.284 over the 25-06.

Brother of mine was a big quarter bore person (still is), and he shot the 25-06 for several years as well as the standard Roberts and the .257AI in about ten different rifles. I also shot these same rifles quite a lot too. We both came to the same conclusion that the .257 Roberts based cases came out on top every time. WSM cases are over priced and hard to come by in my part of the country, and the necks are too short for the shoulder angle. Also for a cartridge design that's looking for a reason to exist; I find it interesting as it's almost a tie with the .338-06 as the two most often built wildcat chambers (I know the .338-06 is now standardized)
gary
I know the wssm's are cartirdges looking for a reason to exist also. I won't quibble with that; the 25-06 is good enough that it didn't need to be fiddled with. I got a wssm simply because I wanted a coyote back in '06 and it was the only one I could find new for a decent price. I wanted a 243 since I have stuff for it but turned away for less than a minute only to have it get bought by someone else.
I got about 500 casings fo0r the 25wssm at $15 a bag before the price went up; I wasn't sure if a pig could fly with it or not. I guess not as all the wssm's are about gone. I really don't care though as I've got my brass and dies.
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  #12  
Old 10-21-2012, 11:31 AM
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Re: .257 ai

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Originally Posted by Lefty7mmstw View Post
I know the wssm's are cartirdges looking for a reason to exist also. I won't quibble with that; the 25-06 is good enough that it didn't need to be fiddled with. I got a wssm simply because I wanted a coyote back in '06 and it was the only one I could find new for a decent price. I wanted a 243 since I have stuff for it but turned away for less than a minute only to have it get bought by someone else.
I got about 500 casings fo0r the 25wssm at $15 a bag before the price went up; I wasn't sure if a pig could fly with it or not. I guess not as all the wssm's are about gone. I really don't care though as I've got my brass and dies.

Just saw a couple bags of 100 cases each (used) go for $45 a piece! Looked like nickel plated brass too. One of the best 25 bore rounds I ever saw for what it was is the .250AI. It'll push a 100 grain bullet close to 3200fps with a max load in a 24" barrel; so they claim anyway. I don't doubt 3100fps as my 6/250AI will push 105 grain bullets to about 3100fps max load. That .250 load was 43 grains of 4350. Have only seen two of them, and both were redone .250 Remington 700's.

Myself I'm a big proponet of the 6mm Remington. Just love that round. But have grown kinda fond of the this 6/250AI (needs some slight revisions in the case design to make it a super cartridge.). When I do my barrel set back next spring I plan on setting it up to use .243 cases (already do anyway) with about a .33" neck length. I'll use a 6mmAI reamer that I'll ream the chamber for the 6/250AI head space. Hope to see another 750 to 800 rounds out of that barrel. Also been interested in the same 6mm improved round necked upto .257 (the longer necked version with a 2" length case. (would have to have a new reamer ground for this one)
gary
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  #13  
Old 10-21-2012, 06:15 PM
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Re: .257 ai

Quote:
Originally Posted by Trickymissfit View Post
Just saw a couple bags of 100 cases each (used) go for $45 a piece! Looked like nickel plated brass too. One of the best 25 bore rounds I ever saw for what it was is the .250AI. It'll push a 100 grain bullet close to 3200fps with a max load in a 24" barrel; so they claim anyway. I don't doubt 3100fps as my 6/250AI will push 105 grain bullets to about 3100fps max load. That .250 load was 43 grains of 4350. Have only seen two of them, and both were redone .250 Remington 700's.

Myself I'm a big proponet of the 6mm Remington. Just love that round. But have grown kinda fond of the this 6/250AI (needs some slight revisions in the case design to make it a super cartridge.). When I do my barrel set back next spring I plan on setting it up to use .243 cases (already do anyway) with about a .33" neck length. I'll use a 6mmAI reamer that I'll ream the chamber for the 6/250AI head space. Hope to see another 750 to 800 rounds out of that barrel. Also been interested in the same 6mm improved round necked upto .257 (the longer necked version with a 2" length case. (would have to have a new reamer ground for this one)
gary
Any of the middle 24 and 25-26 cal are pretty good little rounds and really are better than their exterior ballistics suggest they should be on critters. Basically anything 6ppc to 6.5-06 is a good starter rifle as long as you are not slaying dragons. I prefer to not have to play with brass forming and custom stuff for the most part. I don't have a machine shop so it could get spendy quick.
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  #14  
Old 10-21-2012, 10:00 PM
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Re: .257 ai

Quote:
Originally Posted by Trickymissfit View Post
I find it exactly the opposite. I cannot for the life of me see any reason for the 25WSM! Besides it's also a poor case design. I personally would prefer the 25/.284 over the 25-06.

Brother of mine was a big quarter bore person (still is), and he shot the 25-06 for several years as well as the standard Roberts and the .257AI in about ten different rifles. I also shot these same rifles quite a lot too. We both came to the same conclusion that the .257 Roberts based cases came out on top every time. WSM cases are over priced and hard to come by in my part of the country, and the necks are too short for the shoulder angle. Also for a cartridge design that's looking for a reason to exist; I find it interesting as it's almost a tie with the .338-06 as the two most often built wildcat chambers (I know the .338-06 is now standardized)
gary
Did you mean wsm or wsaum? I have a 25 Bobcat ( 25 x 270 WSM } had my own reamer cut so i named it after my company. I feel its very efficient i can get 257 whby. vel. out of a short action. Have 2 of the 25x284's also very efficient chambering.
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