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Which 6.5 ????????

 
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  #22  
Old 07-09-2010, 07:19 AM
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Re: Which 6.5 ????????

6.5x47 will run close to 3000 fps with the 140g. We got 2950 out of ours and it is a 22" barrel. We did gun juice the barrel, and slightly improve the case. What I have seen so far out of the x47, it runs with my 6.5-06 with significantly less powder. My .02.

Steve
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  #23  
Old 07-09-2010, 09:15 AM
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Re: Which 6.5 ????????

not one mention of the 6.5 rem mag? I have one and I like it
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  #24  
Old 07-09-2010, 11:49 AM
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Re: Which 6.5 ????????

Quote:
Originally Posted by cfvickers View Post
Fire Road, I very easily get 3,000 with my 6.5-284 with absolutely no pressure issues what so ever. I really don't notice pressure signs until I get around 3075+ and then when it is cooler than right now (about 10-15 degrees), I can get 3150+ with little sign of pressure. This is with a 140 Berger VLD, other bullets, I don't know. But with both of mine, 3,000 +/- a few is where I try to keep it in order to avoid any pressure issues, accept for a couple loads that are just extremely accurate and are below that.
cfvickers - Thanks for the input, I may have to put my 6.5-284 build over my 7mm-08.
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  #25  
Old 07-09-2010, 01:30 PM
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Re: Which 6.5 ????????

Quote:
Originally Posted by fireroad View Post
cfvickers - Thanks for the input, I may have to put my 6.5-284 build over my 7mm-08.
I recommend it! There is nothing at all wrong with the 7mm-08, I load for one my dad has and when I finally got it broken it, it is quite the shooter. I tend to lean toward 6.5s personally. I have been a fan of the 6.5x55 for years until I shot the throat out of my Husqvarna and had it set back and rechambered to 6.5-284, and although I am still a huge fan of the 6.5x55 for short to medium range deer hunting, I love the 6.5-284. In a shorter 24 inch or less barel velocities are around what you stated, You have to have at least 26 inches to see it's potential. Most of the published load data is derived from a 24 inch test barrel, and loaded for milder pressure than the round is capable. Of course, published data is a good starting place but if you work your loads up you will be able to usually get well beyond them. This is not just my own opinion it came from Walt Berger when I emailed him for load data and mentioned in a later email that the velocities seemed low. According to Mr. Berger their load data is running about 8% below true max and if and when they publish a manual it will be updated to reflect a real maximum. the only problem with regular published load data is that the large companies have to account for the differences in custom chambers with the 6.5-284. A load that is safe in one chamber or brand of brass may be unsafe in another. So they publish data on the low side to account for this and loads should naturally be worked up.

the powders that are getting me beyond 3,000 FPS in my rifle are RL17 (up to 3250 with a 140 VLD) RL22 and RL25 each reaching around 3100 with temps below 90 and humidity below 80%, 3000-3050 above that, and Hybrid 100V getting around 3150 in lower temps and 3075 in higher temps. My maximum with RL17 is 52 in low temps and 50.5 in higher temps. Around the same with Hybrid 100V. I would have to look at my data to tell you what the max was with RL22 and 25.

700varmint , again nothing wrong in my eyes with the 6.5 Rem Mag either, just won't do anything the 6.5-284 won't do and brass is easier to find with the 6.5-284 in my experience

In 7mm I would go with a long action and a 280 ackley over the 7mm-08 but that is just personal choice. But that would depend on what the shooter wants, to me it is a perfect balance between a 7-08 and a 7 mag. If you are looking to use less powder or lighter bullets then the 7-08 is the way to go.
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  #26  
Old 07-09-2010, 06:55 PM
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Re: Which 6.5 ????????

Quote:
Originally Posted by BobbyL View Post
Better yet a 6.5-300 WBY. Absolute hammer of a caliber!!!
... and another!

6.5mm Allen Magnum

338 Rem Ultra Magnum parent case, necked down to 6.5mm, fireformed to min body taper and sharper shoulder angle.142 gr. SMK or ULD RBBT at 3450 fps with 142 gr. in 27” barrel, 3550 fps in 30” barrel lengths.

Appropriate powders: H-870, H-US869, AA8700 and WC872

Ed

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Last edited by FEENIX; 07-09-2010 at 07:14 PM.
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  #27  
Old 07-09-2010, 07:08 PM
B23 B23 is offline
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Re: Which 6.5 ????????

Hmmmmm, wonder if Kirby has ever thought of a 6.5AX 338 Lapua necked down and blown out to 6.5. Barrel life would certainly be limited.
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  #28  
Old 07-09-2010, 07:12 PM
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Location: Spokane Wa
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Re: Which 6.5 ????????

6.4x284. I built mine two years ago and haven't looked for anything else. I built it on a Mauser 98 action and getiing .25-.50 MOA out of it, but I'm only push it at 2800-2875.
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