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Another TSX success story
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Picture of IdahoVandal
posted
Hey all! Went to to the range today with some refined 225TSX loads for 338RUM, after reading the last week or so about how difficult it can be to get accuracy from the 338RUM I was quite pleased when I took a tip from someone and tried seating even deeper than I had been. The following is a 3 shot group at 100 yards, 3 other groups of the same load were nearly identical.
I think I found a winner......

IV


minus 300 posts from my total
(for all the times I should have just kept my mouth shut......)
 
Posts: 844 | Location: Moscow, Idaho | Registered: 24 March 2005Reply With Quote
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Nifty! I just had similar results with a 168 grs TSX in an R93 in .300 Win Mag. These bullets are amazingly accurate - even more so when you consider they are pure hunting bullets!

- mike


*********************
The rifle is a noble weapon... It entices its bearer into primeval forests, into mountains and deserts untenanted by man. - Horace Kephart
 
Posts: 6653 | Location: Switzerland | Registered: 11 March 2002Reply With Quote
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Picture of vapodog
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quote:
I think I found a winner......


You won't get many arguers on that.


///////////////////////////////////////////////////////////////////////////
"Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery."
Winston Churchill
 
Posts: 28849 | Location: western Nebraska | Registered: 27 May 2003Reply With Quote
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Picture of Grumulkin
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I am really jealous!!! What kind of groups were you getting before you tried seating the bullets deeper? Maybe that's my problem; I try to seat them near the lands and haven't been impressed with their accuracy.
 
Posts: 2911 | Location: Ohio, U.S.A. | Registered: 31 March 2006Reply With Quote
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Picture of Fjold
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I did an experiment with my 375 H&H and the 300 grain TSX shot the best at .060" from the lands. As I moved in, the groups kept getting bigger until I got to 2+" at .020" from the lands and I stopped testing there.


Frank



"I don't know what there is about buffalo that frightens me so.....He looks like he hates you personally. He looks like you owe him money."
- Robert Ruark, Horn of the Hunter, 1953

NRA Life, SAF Life, CRPA Life, DRSS lite

 
Posts: 12754 | Location: Kentucky, USA | Registered: 30 December 2002Reply With Quote
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I have very similar success with the TSX's in 22, 270, and 338 caliber also.

What couldn't or dare say, shouldn't you hunt with that combination worldwide?

I'm thinking elephant and rhino?
 
Posts: 2034 | Location: Black Mining Hills of Dakota | Registered: 22 June 2005Reply With Quote
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Picture of IdahoVandal
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I had been using .050, I had experimented moving forward to .030 and as others have said, they got worse. I moved back to .055 and .060 and they stayed at about .5" (which was obviously fine) this last week I decided to try deeper just for fun (even though it did not improve going from .050 to .060) and to my surprise .070 was about .5" group and then .076 the group really came together.

IV


minus 300 posts from my total
(for all the times I should have just kept my mouth shut......)
 
Posts: 844 | Location: Moscow, Idaho | Registered: 24 March 2005Reply With Quote
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Picture of woods
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Another question that comes up is did your velocity drop as you seated deeper? I have noticed this before but haven't investigated it thoroughly.

If your velocity dropped then the bullet was exiting the muzzle at a slightly different moment in the barrel vibration process. I'm not recommending this because I'm still investigating it myself, but you might want to run an OCW sequence around that powder loading.

http://home.earthlink.net/%7Edannewberry/dannewberrysop...ightloaddevelopment/

If the velocity is the main reason your groups got smaller than a very slight reduction in charge weight might allow you to seat the bullets closer to the lands and still get similar groups.

bewildered


____________________________________
There are those who would misteach us that to stick in a rut is consistency - and a virtue, and that to climb out of the rut is inconsistency - and a vice.
- Mark Twain |

Chinese Proverb: When someone shares something of value with you and you benefit from it, you have a moral obligation to share it with others.

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Posts: 2750 | Location: Houston, Tx | Registered: 17 January 2005Reply With Quote
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Hmmm,,, interesting, I always go about .010 from the lands. Gotta try it.
 
Posts: 4821 | Location: Idaho/North Mex. | Registered: 12 June 2002Reply With Quote
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Picture of D Humbarger
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Thats minute of Elk in anybodys book!



Doug Humbarger
NRA Life member
Tonkin Gulf Yacht Club 72'73.
Yankee Station

Try to look unimportant. Your enemy might be low on ammo.
 
Posts: 8351 | Location: Jennings Louisiana, Arkansas by way of Alabama by way of South Carloina by way of County Antrim Irland by way of Lanarkshire Scotland. | Registered: 02 November 2001Reply With Quote
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Picture of Grumulkin
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I've thought of velocity being the difference rather than seating depth. When I work up loads, I work up the powder charges incrementally so if velocity was the main factor, there should have been a charge weight that worked for me and there wasn't.
 
Posts: 2911 | Location: Ohio, U.S.A. | Registered: 31 March 2006Reply With Quote
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Picture of Jan
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quote:
Originally posted by woods:
Another question that comes up is did your velocity drop as you seated deeper?
If the velocity is the main reason your groups got smaller than a very slight reduction in charge weight might allow you to seat the bullets closer to the lands and still get similar groups.

In my opinion: if you are seating the bullets deeper in the case (farther off the lands), combustion takes place in a smaller volume and pressure will rise and so will velocity. A small reduction in charge weight and also seating closer to the lands will both diminish pressure (and velocity). This effect only when NOT touching the rifling.

Jan

bewildered
 
Posts: 113 | Location: Terschelling, the Netherlands | Registered: 19 January 2004Reply With Quote
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That would be very good accuracy for a varmint rifle,let alone a big game rifle.
 
Posts: 3104 | Location: alberta,canada | Registered: 28 January 2002Reply With Quote
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Barnes always said to seat the bullets .050 from the lands for starters, and that is pretty darn close from my experience. The TSX is quickly becoming my accuracy bullet in a couple of rifles that were not particularly special in the grouping dept. The TSX is a complete different animal than the old X bullets, great accuracy and minimal fouling. It cured the problems the x's had from the start.


A shot not taken is always a miss
 
Posts: 2788 | Location: gallatin, mo usa | Registered: 10 March 2001Reply With Quote
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Picture of Brad
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Here's a group from my 30-06 Wed evening this week:

 
Posts: 3525 | Registered: 27 June 2000Reply With Quote
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Wow my 338 ultra useing H1000 99.5 gr @3150 and the same 225 TSX shoot the same! only I alwas try for 5 and push two out of the group.

Is that a factory 700?


You can't kill them setting on the couch.
 
Posts: 413 | Location: Roamin' the U.S. for Uncle Sam. | Registered: 04 March 2005Reply With Quote
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The 180gr tsx averages 5/8" groups at 3380fps out of my 300ultramags.
 
Posts: 3104 | Location: alberta,canada | Registered: 28 January 2002Reply With Quote
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Getting ready to work up loads for a 7-08 and a .270. I'm thinkin maybe I ought to try some of these TSXs--


An old pilot, not a bold pilot, aka "the pig murdering fool"
 
Posts: 2901 | Registered: 14 October 2004Reply With Quote
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Picture of woods
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quote:
Originally posted by dustoffer:
Getting ready to work up loads for a 7-08 and a .270. I'm thinkin maybe I ought to try some of these TSXs--


One load for the 130 gr TSX in the 270



____________________________________
There are those who would misteach us that to stick in a rut is consistency - and a virtue, and that to climb out of the rut is inconsistency - and a vice.
- Mark Twain |

Chinese Proverb: When someone shares something of value with you and you benefit from it, you have a moral obligation to share it with others.

___________________________________
 
Posts: 2750 | Location: Houston, Tx | Registered: 17 January 2005Reply With Quote
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Well Ihave to say the same about the 180 gr tsx out of my 300 ultra I put 6 rounds in .435 @100 and just my luck the 6th round opend it up .308

I have to say so far I have only had one gun not shoot the TSX out of 10+ its a 6.5x55 win fwt but it doesnt shoot all that well any way.

I have a 7 ultra coming cant wait to shoot it.


You can't kill them setting on the couch.
 
Posts: 413 | Location: Roamin' the U.S. for Uncle Sam. | Registered: 04 March 2005Reply With Quote
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Picture of IdahoVandal
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quote:
Originally posted by PRDATOR:
Is that a factory 700?


All factory BDL with a muzzle brake....

IV


minus 300 posts from my total
(for all the times I should have just kept my mouth shut......)
 
Posts: 844 | Location: Moscow, Idaho | Registered: 24 March 2005Reply With Quote
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