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View Poll Results: Better caliber for long range/ all around hunting using 140 gr bullet
6.5-06 AI 174 43.28%
280 AI 228 56.72%
Voters: 402. This poll is closed

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6.506 vs 280 AI using 140 gr bullets

 
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  #43  
Old 02-27-2010, 09:58 PM
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Re: 6.506 vs 280 AI using 140 gr bullets

Quote:
Originally Posted by OKIE2 View Post
And one more very good calibers to look at is the 270 wsm with 130 grainers
and the 270AI
If you want speed go with a 25-06AI with 87 grainers at 3920 fps.
it's only 60 fps slower than the 257 weatherby and does it with 10 grains less powder.

The BCs of the 6.5mm and 7mm are waaay better than the 257 and 270.
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  #44  
Old 02-27-2010, 10:20 PM
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Re: 6.506 vs 280 AI using 140 gr bullets

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Originally Posted by elkaholic View Post
I like the gentle way you mentioned a 2% gain and the equal pressure issue Barrel length of course has a lot to do with the whole equation as you know. To say that an A.I. is 400' better than a std. would take some serious differences in pressure and barrel length! I'm not surprised that you can get 3340 with your Gibbs. My Sherman case holds just a fuzz more than the Gibbs and I can exceed 3200' with a 26" barrel. As you mentioned, that's pushing it. What is your powder and charge with that particular load? I can top 3200' with retumbo 65 gr. RL22 61 gr. and RL25 64 gr.......Rich
61 gr re-22/fed210/140 berger gets me 3340 fps with a fast lot of re-22, a slow lot# gets me 3200'ish so I'm goin with either retumbo or H-1000 whichever the rifle likes best.
RR
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  #45  
Old 03-02-2010, 07:28 PM
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Re: 6.506 vs 280 AI using 140 gr bullets

6.5-06 is a phenominal round! I have two of them and they seem to be the go to gun every hunting trip. I shoot the 140 JLK/Berger at 3080. Don't know who will be doing your smith work but if your not set on someone already give Trevor Rosencranse with Cloud Peak Gunworks a try. He has built both of mine and several others that all shoot .5 moa or less. Website is Cloudpeakgunworks.com
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  #46  
Old 03-31-2010, 12:38 PM
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Join Date: Nov 2009
Location: Oregon
Posts: 36
Re: 6.506 vs 280 AI using 140 gr bullets


This is my 6.5-06 on a mauser and it shoots lights out into the .3s and tighter. I have a schneider barrel and the stock is home made, but balistically I could not be happier. I get a solid 3050 with 140,s now that I backed down my loading. I use IMR and or H4350 powders and love the fact that brass is everywere since you can make it out of anything from 30-06 to 25-06 which the later is the esiest due to the fact you do not have to size them prior to loading. just seat your bullet. I have not shot the 6.5-284 but David Tubb believes they are one in the same, and I would tend to agree.

I do not have the AI and I am not sure the gains to be made are that much, but hay more power to you.

M
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  #47  
Old 03-31-2010, 12:58 PM
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Re: 6.506 vs 280 AI using 140 gr bullets

Quote:
Originally Posted by mlequieu View Post

This is my 6.5-06 on a mauser and it shoots lights out into the .3s and tighter. I have a schneider barrel and the stock is home made, but balistically I could not be happier. I get a solid 3050 with 140,s now that I backed down my loading. I use IMR and or H4350 powders and love the fact that brass is everywere since you can make it out of anything from 30-06 to 25-06 which the later is the esiest due to the fact you do not have to size them prior to loading. just seat your bullet. I have not shot the 6.5-284 but David Tubb believes they are one in the same, and I would tend to agree.

I do not have the AI and I am not sure the gains to be made are that much, but hay more power to you.

M
Good post M! what length is your barrel........Rich
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  #48  
Old 03-31-2010, 04:41 PM
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Join Date: Nov 2009
Location: Oregon
Posts: 36
Re: 6.506 vs 280 AI using 140 gr bullets

This rifle has a 23 inch tube that has a modified varmint taper, it is just a bit steeper than what one would call normal due to the short length. as you can see I set the taper up to match the bell of the scope. I have a desire to get tubbs speed lock and pin to try to shorten the lock time, and then I would like to add a modern bolt safety, but the gun is still out being run through its paces by a friend.

Marc
Check out this early 6.5-55 you may like it better.


It shot to .5 but I had a client that just had to have it. It should be shooting Quantico now but I do not know for shure.
I loved that little 96.
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  #49  
Old 03-31-2010, 05:13 PM
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Location: Grantsville Utah
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Re: 6.506 vs 280 AI using 140 gr bullets

Thanks Mark! That's pretty good velocity for a 23" tube. What load did you use?
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