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160gr Matrix

 
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  #148  
Old 05-28-2013, 10:41 AM
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Re: 160gr Matrix

OK, here is the plan. I just got off the phone with Marshal and I am going to serrate some .308 jackets and send them up for him to draw down to 6.5. I think this may do the trick without a lot of time and expense. Will keep you posted......rich
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  #149  
Old 06-01-2013, 06:11 PM
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Re: 160gr Matrix

My buddy recently borrowed my 6.5 Sherman and shot this little cinnamon bear with a 160 Matrix. The impact velocity was 2800' so I would have expected a more explosive result. The bullet obviously stayed together quite well. The good news was a dead bear which traveled only 25 yards. BEAR in mind (no pun intended), this was only one test. I am working with Matrix to produce a bullet that will expand a little easier.......Rich160gr Matrix-s1630007-1.jpg

160gr Matrix-s1630008.jpg

160gr Matrix-s1620042.jpg

160gr Matrix-s1620030.jpg
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  #150  
Old 06-03-2013, 09:30 AM
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Re: 160gr Matrix

Gents- WE HAVE ROUND HOLES!

I was able to shoot the 160 Matrix in my 6.5WSM yesterday.

My 1-8.4" Obermeyer seemed to stabilize the Matrix, at least in this test by producing round holes (unlike the 140 CEB) on target @ 415yds. Temp was about 70* & DA was approx 5600'. I loaded up some random loads to test for pressure & velocity (crap I left my chrono data at home). I will upload actual velocity later today.

Norma 270WSM Case
VV-N570
Fed 210M
----------------------------------------------
1. 58.5grains (clean- cold bore)- Not on paper as I pulled a dumb-dumb & forgot to dial some ele. before taking the shot.
2. 59.0grains
3. 59.5grains
4. 60.0grains
5. 60.5grains
6. 61.0grains


All loads showed zero pressure, no sticky bolt lift & no ejector marks. The 61.0grn load was knocking on the door of 3000fps. Interestingly enough, 3 of the rounds went into <1" at that distance... I MAY have stumbled upon an accuracy node

I haven't played with a ballistic program yet but brother, a .700 G1 BC @ 3000fps or better..... look out fuzzy wuzzies, papa's got a brand new bag



t
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  #151  
Old 06-03-2013, 10:37 AM
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Re: 160gr Matrix

Good deal! I just did a quick look at the ballistics, WOW. At 5000' ASL and 40* you only hit 1800 fps at roughly 1140 yards! Gotta love love the 6.5s
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  #152  
Old 06-04-2013, 09:51 AM
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Re: 160gr Matrix

Quote:
Originally Posted by barnesuser28 View Post
Good deal! I just did a quick look at the ballistics, WOW. At 5000' ASL and 40* you only hit 1800 fps at roughly 1140 yards! Gotta love love the 6.5s

I intend to load up some more at increased charges to test. 3k is a pretty decent number but I can get a little more . I'm guessing 3100' we'll see, i'd probably quit there.

It will be cool to see what Rich comes up with on the new jackets.


t
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  #153  
Old 06-09-2013, 04:44 PM
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Join Date: Apr 2008
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Re: 160gr Matrix

We tested some of the Corbin jacketed 160's yesterday.
They are a little longer, 1.525", than the originals. The core comes about .3" short of filling the nose. I was expecting to see some difference in the way the two bullets reacted. As far as I can tell they behave the same way, the nose folds or bends and the jacket ruptured breaking the bullet into two parts and some shrapnel with the back half traveling about 24" through water filled plastic jugs.
That is the base of the bullet coming out the backside of the jug. It was stuck in there so hard I couldn't pull it out with pliers so I just cut that part out.
160gr Matrix-matrix-bullets-002.jpg
Cliff
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  #154  
Old 06-09-2013, 08:20 PM
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Re: 160gr Matrix

Quote:
Originally Posted by CliffM View Post
We tested some of the Corbin jacketed 160's yesterday.
They are a little longer, 1.525", than the originals. The core comes about .3" short of filling the nose. I was expecting to see some difference in the way the two bullets reacted. As far as I can tell they behave the same way, the nose folds or bends and the jacket ruptured breaking the bullet into two parts and some shrapnel with the back half traveling about 24" through water filled plastic jugs.
That is the base of the bullet coming out the backside of the jug. It was stuck in there so hard I couldn't pull it out with pliers so I just cut that part out.
Attachment 22551
Cliff
Pretty interesting Cliff! We'll see how the serrated ones perform when we get them. I'm hoping it will start the mushroom evenly and peel back rather than rupture.........Rich
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