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7x57 TSX for elk
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Would the flat based 160gr TSX give me any advantage over the boattailed 140gr TSX for elk. I know I'd lose a significant amount of velocity but would the penetration be made up for in weight?

Perry
 
Posts: 2252 | Location: South Texas | Registered: 01 November 2005Reply With Quote
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An aquantance of mine shot an Elk Nosler partician 140 gr one shot kill colorado somewhere , 7mm Mag don't know much about your bullet TSX Try shooting at a frozen block of ice for effect .
 
Posts: 497 | Location: PA | Registered: 24 May 2005Reply With Quote
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either will work, actual field results would be indistinguishable...dead elk
 
Posts: 2034 | Location: Black Mining Hills of Dakota | Registered: 22 June 2005Reply With Quote
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perry,

I've shot elk with 140 X bullets in my 7-08 on a number of occasions with excellent results. The elk died quickly and I have never recovered a bullet.


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Posts: 326 | Location: Cheyenne area WY USA | Registered: 18 January 2003Reply With Quote
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Either will give plenty of penetration. I'd probably use the 140's in a TSX, 160's in everything else.


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Posts: 2788 | Location: gallatin, mo usa | Registered: 10 March 2001Reply With Quote
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bullets heavier than 140gr in 7mm bore diameters are simply a crutch for people who refuse to enter the modern age and use "premium" bullets (in general) and/or Barnes TSX bullets (in specific).

theoretically 160gr or even heavier TSX bullets
will "penetrate better" but I don't know WHAT they are supposed to penetrate "Better" after they exit the animal...
Mabey the countryside behind the animal?

Frankly if I want to launch a 160gr TSX I'll do it from a 30cal rifle (a 30-06) and at higher speeds than a 7x57 can manage.

a 7x57 with a 160gr bullet can only be pushed to ~2600fps and that'll drop the 160gr bullet to BELOW reliable expansion velocity at fairly short range.
140gr OTOH can be driven to ~2850fps.
I doubt you are going to find anyone who will recommend against velocity with TSX bullets.

OTOH you could "split the difference" and go with a 150gr
Barnes TSX shown as "NEW" on the Barnes website.
< http://www.barnesbullets.com/prodtsx_new2006.php >
The 150gr XBT can be driven to ~2800fps (only 50fps off the 140gr), I'd expect similar velocity from the TSX.

AllanD


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Posts: 4601 | Location: Pennsylvania | Registered: 21 March 2005Reply With Quote
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quote:
Originally posted by Allan DeGroot:
bullets heavier than 140gr in 7mm bore diameters are simply a crutch for people who refuse to enter the modern age and use "premium" bullets (in general) and/or Barnes TSX bullets (in specific).

Allen, not all of us like the Barnes 'X' or other "super premiums". I use the 160grNP in my .280 as a combo elk/deer load. I've tried the older "x' bullets & accuracy has always been poor in just about every rifle I have tried them in. Maybe the 'TSX' is better, but it's hard to go back when you already have soemthing good going.
Gerry, I favor heavier bullets, but in the smaller 7x57 case, I might be talked into a 140gr 'TSX' if the accuracy was there. beer


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Posts: 7752 | Location: kalif.,usa | Registered: 08 March 2001Reply With Quote
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The 160gr really won't gain you anything.
 
Posts: 3104 | Location: alberta,canada | Registered: 28 January 2002Reply With Quote
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Have never used the 7x57 anywhere but Africa. Used it for plains game last time and then only with one bullet,the Nosler 175gr Partition. Did well out to 250 yds and was very successful on several Kudu, which was largest game shot with it. Light rifle,light recoil and excellant perfomance out to 250yds which is about my limit.


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Posts: 2786 | Location: Green Valley,Az | Registered: 04 January 2005Reply With Quote
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I own a CZ 550 American in 7x57mm. I shoot the 162 grain Hornady SST and the 160 grain Nosler Partition bullets. Have used it on elk, mule deer, whitetail deer, antelope, wild hogs, coyote and even a wild turkey in Texas. I have never had to use a follow up shot. My best elk was a medium sized bull at an after the shot lazered 323 yards and change. I generally call it 325. It was a standing broadside shot. At the shot the bull flinched, stepped back one step, sat on his butt for a fraction of a second and then just fell over. It was not a bang flop, but folks, dead is dead. It was a pass-through heart shot with the partition. The heart and part of the lungs kind of reminded me of jello. I've had bangflops with head shots on cow elk at up to 100 yards and change and as close as 30 yards. My rifle is capable of half-minute of angle with my handloads, which are chronographed at 2,815 fps, and that is no BS. I don't shoot the lighter weight bullets out of my CZ because the 1x8.66 twist rate of my barrel. I generally do not shoot at game as far away as that medium bull (5x6), but there was no way to get closer, I knew I could make the shot and I did. I am certain the 140 grain TSX would do the job if you can do your job. Oddly enough, I have noticed that people who own 7x57mms, for the most part, are accomplished shooters as well, which makes a huge difference in the field. Good luck with your quest. Tom Purdom
 
Posts: 499 | Location: Eudora, Ks. | Registered: 15 December 2003Reply With Quote
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Having no experience with the TSX bullet's maybe I should shut up but, I do have experience with the 7x57. I've killed a couple elk with it and my bullet was the 154 gr Hornady RN. My guess would be that 140 or 160gr TSX would both work well. I mention the 140 gr TSX only because it's a tuffer construction than the old Hornady I used to use. After it's been shot, I doubt the elk will care which of the bullet's you use if you place it well.
 
Posts: 526 | Location: Antelope, Oregon | Registered: 06 July 2006Reply With Quote
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I'm with Allan D. on this one. I'd use the new 150 boat tail. 140 would be my second choice. 7mm 150 grain bullets is a good match.


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Posts: 7906 | Registered: 05 July 2004Reply With Quote
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I am not a Barnes fan, but after loading up some 160 grain TSXs for someone in a 7 Rem Mag...

I'd wholeheartedly recommend that bullet for elk hunting in ANY 7 mm caliber...

With an MV of even 2400 fps in a 7 x 57, I think you have an excellent load that I would feel effective within 300 yds at least...

Barnes did a good job on that bullet...
 
Posts: 16144 | Location: Southern Oregon USA | Registered: 04 January 2005Reply With Quote
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I suspect if you load the 140, 160, or the 175 to its appropriate velocity that any elk inside of 250 yds is not gonna know the difference...and if your shot is longer than that...get closer


Mike

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2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
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12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10164 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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Perry-in the last couple of years out of my 7 Mashburn Super I've taken elk with the 140,150 and the 160 TSX. I will be darned if I could tell any diff.

First off I'd no doubt use the one that shot best in my rig.

Secondly I'd use the 140 with total confidence.

The last bull I took with it was at 520 and it took out both fronts and exited and he bounced so hard I kind of thought hmm, did I shank the shot and hit him in the neck?

Any of these slugs will work just fine.

I also took a bull in the last couple of years with my 270 and 130 at 496 and it took one step and pitched over.

You've plenty of gun and plenty of bullet with any of those.

Lastly I'd also have no hesitation about using the 120 TSX either.

Good luck on ya, the old 275 Rigby is wonderful and capable round.

Mark D
 
Posts: 1089 | Location: Bozeman, Mt | Registered: 05 August 2005Reply With Quote
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