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160gr Matrix

 
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  #204  
Old 10-06-2013, 06:39 PM
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Re: 160gr Matrix

Just shot some test loads with my 6.5 Sin and the 160gr Matrix. Groups looked okay with now development (~1" maybe a tad less) and velocity was great at 3550 average. I need to play with some seating depth and loads to get better groups but it looks good so far.
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  #205  
Old 10-06-2013, 11:17 PM
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Join Date: Dec 2008
Location: Northern Id.
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Re: 160gr Matrix

I did my first long range shooting with my 6.5 SS and 160 Matrix bullet today. I can only shoot 1/2 mile at my buddies place down the road, but was quite pleased with the results. I sighted in dead on at 100 yds. and had already calibrated the 6x24 SIII for error and found (zero)correction was needed. This was pretty much a first as most scopes have some kind of error. I used "CMANTHA's" .680 b.c. estimate and dialed up 17.5 minutes for the 880 yard shot. This was the first shot on target (lower finger)160gr Matrix-dscf0829.jpg
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  #206  
Old 10-07-2013, 08:30 AM
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Join Date: Jan 2013
Location: Meridian, Idaho
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Re: 160gr Matrix

Nice.

I took the kid out hunting yesterday and in the afternoon we did a little shooting. After re-zero to 100 we shot 1280 yards on a .75 MOA rock. My first shot was about .5 MOA low but horizontal was good. Next 2 shots were good on elevation and slightly right, but hitting edge of rock. I handed the rifle to the kid and he did almost the exact same thing.

When I shot the bullets through the chrono it was telling me 2700. Using that data and .700 BC, I was off .5 moa. Based on just reading .680 BC recommendation, and if I used that number, I would have dialed up .6 moa.

Is everyone using .680 now? If so, is there a better recommendation for the 140 Berger VLD? I am using factory G7 bc for that.
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  #207  
Old 10-07-2013, 08:50 AM
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Re: 160gr Matrix

Very impressive Rich!
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  #208  
Old 10-07-2013, 10:02 AM
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Re: 160gr Matrix

Quote:
Originally Posted by BrentM View Post
Nice.

I took the kid out hunting yesterday and in the afternoon we did a little shooting. After re-zero to 100 we shot 1280 yards on a .75 MOA rock. My first shot was about .5 MOA low but horizontal was good. Next 2 shots were good on elevation and slightly right, but hitting edge of rock. I handed the rifle to the kid and he did almost the exact same thing.

When I shot the bullets through the chrono it was telling me 2700. Using that data and .700 BC, I was off .5 moa. Based on just reading .680 BC recommendation, and if I used that number, I would have dialed up .6 moa.

Is everyone using .680 now? If so, is there a better recommendation for the 140 Berger VLD? I am using factory G7 bc for that.
Good shooting Brent! .680 seems to be working for Cliff and I. I have found the 140 Berger VLD's to be pretty close with their estimates, although it seemed in my rifle that the b.c. dropped off somewhat after 800 yards......Rich
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  #209  
Old 10-07-2013, 10:33 AM
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Join Date: Jan 2013
Location: Meridian, Idaho
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Re: 160gr Matrix

Thanks. I shot Saturday with Ami from 960, 1310, and 1500. I was doing OK at 1310 and 960, but left 1.5 MOA at 1500. Ugh

I have been wondering about that. I was thinking about how Sierra uses two BC numbers and if that is a good idea for Berger and the slower speeds of long range.

I have been shooting at all sorts of elevations, temps, and barometric pressures changes this past month and seen some interesting results. I wanted to try the matrix again now that I have some more experience under my belt. I tend to always come away being schooled by something or another.
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  #210  
Old 10-15-2013, 10:01 PM
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Join Date: Jul 2013
Location: Southeast ID
Posts: 117
Re: 160gr Matrix

Quote:
Originally Posted by sinarms View Post
Just shot some test loads with my 6.5 Sin and the 160gr Matrix. Groups looked okay with now development (~1" maybe a tad less) and velocity was great at 3550 average. I need to play with some seating depth and loads to get better groups but it looks good so far.
Hello, I was wondering if you would please tell me about your 6.5 sin. I love the 6.5 calibers and currently shoot 2 different 260 Remingtons, both on savage actions, one with a Shilen barrel and one with a Mcgowen. I also have a Gunwerks built 6.5-284 and a Winchester model 70 in 264 win mag. I just ordered some 160 grain matrix bullets and Marshal said they would ship today. I want to try them in both the 6.5-284 and the 264 win mag.

When you say 3550 FPS from another 6.5 that intrigues me. Is this based on the 300 RUM case with a sharper shoulder like your 338 Sin? Thanks for your time

Brandon
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