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OK, let's say I have a Steyr-Mannlicher MIII Professional in .270 Winchester. I love the rifle but can't love the cartridge even though I have killed a boat load of deer and stuff witht the round. I like the distinct barrel with the hammer forge marks left on. How big a pain and would it even be possible to have the current barrel rebored to 7mm and have it rechambered to .280AI?
Guns don't kill people, it's mostly the bullets
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Campfire Outfitter
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From what I understand, it's not possible. It's just that removing 0.007" is simply not enough to clean up the rifling during the re-bore, and then cut new rifling.
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Campfire 'Bwana
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Campfire 'Bwana
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............. It's just that removing 0.007" is simply not enough to clean up the rifling during the re-bore, and then cut new rifling. ........but it will make the rifle kill stuff much better....   .007 is , after all, a quantum leap!
The 280 Remington is overbore.
The 7 Rem Mag is over bore.
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Absolutely! But it's more a result of the excellent bullets that will become available after the 0.007" jump in bore size, than the jump in bore size itself...
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Campfire 'Bwana
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Campfire 'Bwana
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OK true enough.....and conceding that point, I have found that,with a 270,all you really need, is one.
The 280 Remington is overbore.
The 7 Rem Mag is over bore.
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Absolutely! But it's more a result of the excellent bullets that will become available after the 0.007" jump in bore size, than the jump in bore size itself... Other than slightly higher BC numbers in 150g+ slugs, there is really NO advantage to a 7mm over a .270. Unless you plan on ROUTINELY taking shots at game past 500 yards- 7mm slugs offer no advantage at all. Anyone who would dump $$ into customizing a Steyr Professional and then claim no love for the cartridge for which it is chambered needs physiological counseling- not 7mm bullets.
To all gunmaker critics-
"It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena.."- Teddy Roosevelt
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A new bbl with twisted flutes is something to ponder.
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I have not dumped any money into customizing it yet. I bought it as a .270 because I like the rifle. It already had the metal treated with a nickle type finish.
Guns don't kill people, it's mostly the bullets
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Campfire Ranger
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270WBY..... Just sayin, 
LOVE God, LOVE your family, LOVE your country, LIKE guns and sports.
About 2016 team "R" candidates "We definitely need a crew with a sack of balls the size of hot water bottles, bloviated estrogen leaking feel-gooders need not apply." Gunner 500
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270WBY..... Just sayin, Gotta admit...this round is getting some of my attention at the moment....may-be 
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I have not dumped any money into customizing it yet. I bought it as a .270 because I like the rifle. It already had the metal treated with a nickle type finish. I do believe refinishing the metal IS customizing.It's sure not factory original anymore and it was not free. That was my point. And a .280 cannot do anything a .270 can't do on game.
Last edited by jim62; 10/25/11.
To all gunmaker critics-
"It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena.."- Teddy Roosevelt
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Campfire Tracker
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Exactly, I would learn to like it. The only people who don't like the .270 are the ones who spend too much time on the Internet. Har!
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Campfire Kahuna
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Campfire Kahuna
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damn, guess I need to spend less time on the net....grins. cant' stand the 270 btw.
We can keep Larry Root and all his idiotic blabber and user names on here, but we can't get Ralph back..... Whiskey Tango Foxtrot, over....
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Seems like a lot of folks on this board don't like the .270. I've just never understood why. I've never owned one that wasn't very accurate, and everything I point mine at dies. Never understood the animosity towards it.
BTW, I like the 6.5's and 7MM's too.
Terry
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Doing something like that would ruin your rifle ,why? It would stress the steel,it would shoot really bad. Best thing is to love what you have and buy another rifle in the caliber you want.
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Campfire Ranger
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Campfire Ranger
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Or, just open up the chamber to 270ROY. No stress, keep the finish and rifling in tact, add a bunch to your MV's, killing power and your cool factor. What is not to love?
LOVE God, LOVE your family, LOVE your country, LIKE guns and sports.
About 2016 team "R" candidates "We definitely need a crew with a sack of balls the size of hot water bottles, bloviated estrogen leaking feel-gooders need not apply." Gunner 500
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Exactly, I would learn to like it. The only people who don't like the .270 are the ones who spend too much time on the Internet. Har! Seems like a lot of folks on this board don't like the .270. I've just never understood why. I've never owned one that wasn't very accurate, and everything I point mine at dies. Never understood the animosity towards it.
BTW, I like the 6.5's and 7MM's too.
Terry I dunno... I disliked the .270 long before algore gave us the internet. The thing is, I don't know why I don't like the .270. Just never have, since I was little.
This is a shooting forum, there is no place here for logic.
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I don't own a 270, but the round will hammer any game in NA with less recoil and better trajectory than many of the currently popular chamberings.
A man who owns a 270 and knows a little about bullet choice doesn't need a magnum or another bore diameter.
If I owned that great rifle, I'd buy a box or two of good ammo and spend the money on a hunting trip, and not lose any sleep thinking about it.
TC
It ain't all burritos and strippers my friends...
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OK true enough.....and conceding that point, I have found that,with a 270,all you really need, is one. Where's the fun in that?! BOORRRRIINNGG
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Campfire 'Bwana
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Campfire 'Bwana
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Exactly, I would learn to like it. The only people who don't like the .270 are the ones who spend too much time on the Internet. Har! Seems like a lot of folks on this board don't like the .270. I've just never understood why. I've never owned one that wasn't very accurate, and everything I point mine at dies. Never understood the animosity towards it.
BTW, I like the 6.5's and 7MM's too.
Terry I dunno... I disliked the .270 long before algore gave us the internet. The thing is, I don't know why I don't like the .270. Just never have, since I was little. You've been blessed by the 30-06 gods. It happens to the best of us
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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