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***New*** Barnes 6.5mm 120 gr TTSX

 
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  #1  
Old 12-19-2008, 10:19 AM
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***New*** Barnes 6.5mm 120 gr TTSX

Read over on accuratereloading.com yesterday that Barnes had out the new 6.5mm 120 gr TTSX. Since I literally drive past their building to and from work, I stopped in & picked up two boxes.

Here it, left to right, 120 tsx bt, 120 ttsx bt, 130 tsx flat base. Dave, tech, has yet to test for bc but feels it should run just over .400.




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Old 12-21-2008, 10:01 PM
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Re: ***New*** Barnes 6.5mm 120 gr TTSX

Yesterday, the weather cooperated and I was able to get out and run a load of 45.5 gr of H4350, Nosler cases and Fed 210M primers. The same load gives .75" groups and zero pressure. It gave a .95" 3-shot group with the TTSX but a bit of pressure. Same velocity; 3019 fps. I'll need to back it down .5 grain with the TTSX.

Alan
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Old 12-21-2008, 10:16 PM
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Re: ***New*** Barnes 6.5mm 120 gr TTSX

Quote:
Originally Posted by Alan Griffith View Post
Yesterday, the weather cooperated and I was able to get out and run a load of 45.5 gr of H4350, Nosler cases and Fed 210M primers. The same load gives .75" groups and zero pressure. It gave a .95" 3-shot group with the TTSX but a bit of pressure. Same velocity; 3019 fps. I'll need to back it down .5 grain with the TTSX.

Alan
"zero pressure"? How'd you get those projectiles down the barrel, then? Did you mean "zero pressure signs"?

What bullets were you using previously? The ones with "zero pressure" I mean.

And what is "a bit of pressure"? Stiff bolt lift, extractor marks, cratering of the primer, loose primer pockets, etc?

Thanks!

Bill
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Old 12-21-2008, 11:46 PM
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Re: ***New*** Barnes 6.5mm 120 gr TTSX

Previous bullet was the 120 tsx. It does not show any high pressure signs such as hard bolt lift, ejector marks, loose primer pockets. The TTSX load did exibit hard bolt lift and ejector marks and later today when I repriming the cases, loose reprimng.
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Old 12-22-2008, 04:15 AM
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Re: ***New*** Barnes 6.5mm 120 gr TTSX

Alan,

Just yanking your chain, I appreciate the info!!

I shoot the tsx out of my Grendel, and really like it!!

Bill
__________________

The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.

Thomas Jefferson

http://waitesandbalances.blogspot.com/
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  #6  
Old 01-02-2009, 09:21 AM
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Re: ***New*** Barnes 6.5mm 120 gr TTSX

I ended up with 43.5 gr H4350 in Nosler cases, Fed 210m primers, Redding FL die just pushing back the shoulder .003", neck finished with the Lee Collet neck die and seated to 2.820" with a Redding BR micrometer die.

Here is results next to the 120 tsx and 130 tsx, both like H4350.

[IMG][/IMG]

[IMG][/IMG]
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