Barnes triple shock?
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Barnes triple shock?


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Old 03-10-2015, 08:13 PM   #1
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Default Barnes triple shock?

I have been reloading a while now and I mainly shoot ballistic tips or soft points. I was wondering what everyone's input was on the barnes triple shock bullet. And also do you use the groove as a canelure or do you taper crimp above the groove at the top? also how well do they perform? Do they mushroom well, or just penetrate like a fmj leaving no wound channel? I want to deliver all the energy to the animal and leave a large enough exit wound to trail the animal if I have to.


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Old 03-11-2015, 01:03 PM   #2
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What gun?

What Cartridge?

What game animals?

What distances?


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Old 03-11-2015, 01:45 PM   #3
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Looking at 243, 270, 7mm08, 223, 22-250, anything around the 2600 and faster velocities. Hunting mostly pigs and deer, at any distance.
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Old 03-11-2015, 02:02 PM   #4
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I would not crimp any of those rounds and seat the bullet to whatever OAL gives you the best accuracy.

Unless your 223 is an AR or other semi-auto, then I would crimp with the Lee factory Crimp die into a grove.

The TSX and the TTSX is a killer. The pedals will open up and do extensive damage with an Impact velocity of about 1800fps or higher. Going below 1800fps and the ability to expand and open-up is greatly diminished.

I shoot the TTSX in my Grendel and my 7.62 x 39 for MN Whitetails. I have total confidence in the TTSX to drop em dead as long as I do not go out past 200 yards. Course with the anemic velocities of these two cartridges any bullet will suffer past 200 yards.
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Old 03-12-2015, 12:46 PM   #5
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Awesome. Thank you for the input, and Yes I will be shooting it out of an AR. The die set I have is RCBS and will crimp as well, I seat the bullets, and then back off the seater and turn my die a quarter turn to do a slight taper crimp. I know Everyone says don't crimp if it isn't in a semi-auto or heavy recoil gun, but every box of factory ammo no matter what it is has a slight taper crimp on the mouth. I'm not shooting bench rest, I'm hunting at 50-300 yards. I was looking at a box of factory Barnes TSX and they seat the bullet just above the top ring of the projectile, but reading some stuff online says to seat and crimp in the top groove. I usually have been reloading soft points with a canelure and crimp in the canelure, but this technically is, but isn't a canelure.
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Old 03-12-2015, 01:51 PM   #6
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crimping isnt needed in a ar15. i dont even crimp my 458 winmag full power loads. its just not needed and doing it wrong is worse. all a crimp should ever do is return the case mouth to its outside diameter after belling/flaring and the bullet is seated.

bullets are held in by friction. if your experiencing set back on recoil you got case lube in the neck and didnt remove it or you have undersized bullets for your expander ball or your expander ball is dirty.
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Old 03-12-2015, 02:02 PM   #7
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Not exactly, bullets can move in both directions in a semi-auto. In fact getting longer is the norm.

This is from Sierra.

Quote:
Neck Tension

When we stop to consider the vigorous (read, downright violent) chambering cycle a loaded round endures in a Service Rifle, it becomes pretty clear it suffers abuse that would never happen in a bolt-action. This is simply the nature of the beast. It needs to be dealt with since there is no way around it.

There are two distinctly different forces that need to be considered: those that force the bullet deeper into the case, and those that pull it out of the case. When the round is stripped from the magazine and launched up the feed ramp, any resistance encountered by the bullet risks having it set back deeper into the case. Due to the abrupt stop the cartridge makes when the shoulder slams to a halt against the chamber, inertia dictates that the bullet will continue to move forward. This is exactly the same principle a kinetic bullet puller operates on, and it works within a chamber as well. Some years ago, we decided to examine this phenomenon more closely. During tests here at Sierra’s range, we chambered a variety of factory Match ammunition in an AR-15 rifle. This ammunition was from one of the most popular brands in use today, loaded with Sierra’s 69 grain MatchKing bullet. To conduct the test, we chambered individual rounds by inserting them into the magazines and manually releasing the bolt. We then repeated the tests by loading two rounds into the magazine, chambering and firing the first, and then extracting and measuring the second round. This eliminated any potential variation caused by the difference between a bolt that had been released from an open position (first round in the magazine) and those subsequent rounds that were chambered by the normal semi-automatic operation of the rifle. Measuring the rounds before chambering and then re-measuring after they were carefully extracted resulted in an average increase of three thousandths (0.003") of forward bullet movement. Some individual rounds showed up to seven thousandths (0.007") movement. Please bear in mind that these results were with factory ammunition, normally having a higher bullet pull than handloaded ammunition.

To counteract this tendency, the semi-auto shooter is left with basically two options: applying a crimp or increasing neck tension. The first option, crimping, brings up some other issues that can be troublesome. In general, crimping degrades accuracy.
http://www.exteriorballistics.com/reloadbasics/gasgunreload.cfm

I will agree with Sierra that "taper" crimping with the seating die is not such a great Idea and can degrade accuracy. It also comes with a lot of hassles like "Exact" case length and buckled shoulder etc.
The Lee factory Crimp die on the other hand does just the opposite. It secures the bullet, case length is not critical and it most often Improves accuracy. What's not to luv.
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Last edited by mseric; 03-12-2015 at 02:47 PM.
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Old 03-12-2015, 02:57 PM   #8
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How much is a Lee factory crimp die?
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Old 03-12-2015, 03:27 PM   #9
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Quote:
Originally Posted by Wallace View Post
How much is a Lee factory crimp die?
$13.

http://www.midwayusa.com/product/456506/lee-factory-crimp-die-223-remington?cm_vc=ProductFinding
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Old 03-12-2015, 04:27 PM   #10
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Is it one caliber specific or can one die do different loads?


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