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Will be interested in hearing his results.


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You should be able to reach 3200 with the 160.With my 264WM 30" Shilen 1 in 8 twist barrel using 71gr of the old H570 powder my 3 shot average is 3095fps with the Woodleigh 160gr PPSN with one of the 3 at 3120fps. RL33 should do the job. I have loaded 3 with 73gr H570 to test also as soon as the rain and wind quit which seems to be a daily thing this year.

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Nosler should have went farther with the 26 as it is to close to the 264WM in performance. This is one that is clearly on the right track.

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Originally Posted by 264wm
You should be able to reach 3200 with the 160.With my 264WM 30" Shilen 1 in 8 twist barrel using 71gr of the old H570 powder my 3 shot average is 3095fps with the Woodleigh 160gr PPSN with one of the 3 at 3120fps. RL33 should do the job. I have loaded 3 with 73gr H570 to test also as soon as the rain and wind quit which seems to be a daily thing this year.

RL-33 doesn't seem to be as effective in the larger 26 case, especially with heavier bullets. It's going to be interesting, seeing how this round shakes out. I think it has lots of potential.

I guess it's not "overbore" if one can find slow enough powder...

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With the 6.5 Prometheus I get 3500 fps with the 160 gr Matrix VLD and 160 gr Woodleigh Weldcore bullets using 100 gr of US869

I doubt the 26 Nosler can even get that with 140 gr bullets


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How is the accuracy on the 160 gr bullets? Will the 6.5 Pro cartridges loaded with the 160gr bullet work in a standard 30-06 action?

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Swamplord,

You're right--unless a 26 Nosler had a very long barrel. In a 26" it can get around 3300 with a 140 at 65,000 psi.

Of course, if somebody wants to load it up to where they think it ought to be....


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I've been playing with the 26 Nosler and the 160 matrix. Rifle 26" barrel and has been melonited. Look like the top end will be real close to 3175 and still have good brass life. Now if this is possible in a non treated barrel? I don't know. Will have more in depth data over the weekend with the 150&160 matrix.

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Final results and thoughts of the 26 Nosler and melonite.
As I said before the 160 topped out around 3150. I worked up loads with the 150 and h50bmg that topped out at 3275 with 3/4" groups at 100yds. As far as melonite goes, I'm not impressed at all. With exactly 80rds fired through my barrel, I cleaned and bore scoped it. The first 5" in front of the chambered is so badly fire cracked that it looks like it has 3000 rds fired through it. Only thing I can think of is that the high temps of the melonite process annealed the barrel and made it soft. Long story short is I will not be having any of my rifles melonited and the 26 Nosler is now a 338 edge that's gonna be hitting the mile range within the week.

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Ryan only getting 80 rounds thru his barrel isn't a one off thing. I've now read multiple people getting less then 200 rounds out of a 26 Nosler. Any thoughts on why? My thought is the powder column/shoulder angle somehow pushes all the heat directly into the first few inches of chamber instead of farther down the barrel and "spreading it out". I really don't know tho.



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That is not my experience. So far I've shot around 150 rounds and there's barely a hint of erosion at the very corner of the bore at the front edge of the chamber, a long way from the lands. The rifle also puts 5 rounds (not three) into much less than an inch with its favored loads.


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Obviously JB your are not loading it to it's potential then!!!!!!!! laugh

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I know this is an old thread, but I've been debating whether or not to put together a 26 the last few months with the hopes I could shove the 160gr Matrix at or above 3150FPS.

I currently shoot a 6.5 Sherman (280 Rem with a shoulder shoved 1/4'' forward, shoulder angle of 40*, case is blown out). With this cartridge I can push the 150gr Matrix at 3180FPS in my 24'' Bartlein 5r barrel and the rifle gets 1/2 MOA accuracy using RL33 and keeps 5 rounds under 1/4 MOA at 100 yards with 50BMG scooting at just under 3060FPS.

I would have thought the Nosler would have the ability to push them a little faster, but it appears the case must not be terribly efficient even though it's so much larger.

Does anyone have any updates on the 26 or is 3000FPS still considered MAX for the 160gr Matrix?

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I'd bet if you loaded the 26 to the same pressure as your Sherman, there would be a pretty decent gain..

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Originally Posted by rosco1
I'd bet if you loaded the 26 to the same pressure as your Sherman, there would be a pretty decent gain..

There's SAAMI pressure, then there's "Fire pressure"... shocked

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I've been using 869 and 872 powder in my 26. To me, those two outperform anything else by a fairly good margin.

I haven't tried the 150 or 160 Matrix. I'm having too much fun zapping critters with 120 E-Tips at 3,450. I have some 127 LRX's to try at 3,575 fps (91 gr. 869). They seem to run faster than E-Tips, probably less friction due to less bearing surface.

If I was going to push the heavier bullets, and I may before too long, I think I'd be leaning on 872 pretty hard. It's the slowest powder I have and should be optimal for heavier bullets.

DF


Edited to add, the Matrix 160 has a of B.C. of .685 and probably won't run that much over 3,000 fps, even with "Fire pressure"...

The new 142 Accubond Longrange has a B.C. of .719. The 26 Nos. will for sure push that bullet faster than the 160 VLD Matrix. The 140 AB Nosler data tops out at 3,300 fps. The longer, sleeker 142 ABLR may have more bearing surface and may not shoot quite that fast. I'm thinking 3,250 or so. If the B.C.'s are solid and Nosler hasn't inflated theirs, it seems the 142 ABLR should out perform the 160 Matrix.


Last edited by Dirtfarmer; 02/24/15.
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Found this on Nosler website, data for their 26 Nos factory 142 ABLR ammo:


26 Nosler


BRAND: TGA | BULLET STYLE: ABLR
PART #: 60122 | COUNT: 20 | MSRP:
BULLET WEIGHT: 142 | BBL TWIST RQMT: "
FOR USE: Deer Sized Game | LEAD-FREE: N
--------------------------------------------------------------------------
Yards / Muzzle Velocity(FPS) Energy(FT-LBS) Drop In Inches(100YD) Zero Drop In Inches(200YD) Zero
MUZ: 3,300 2443 -1.5 -1.5
100: 3162 3151 0 1
200: 3023 2882 -2 0
300: 2889 2635 -7.8 -4.8
400: 2759 2401 -17.8 -13.8
500: 2633 2186 -32.3 -27.4
600: 2511 1987 -51.9 -46
700: 2391 1803 -77 -70.1
800: 2275 1632 -108.3 -100.3

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I ran Hornady Ballistics data comparing the 160 Matrix VLD against the 142 ABLR. The 142 ABLR beats the 160 Matrix by a bunch. If I want to shoot 160's, I'll go 7mm.

The 127 LRX and 129 ABLR run neck and neck.

DF

Last edited by Dirtfarmer; 02/25/15.
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"INTENSE" little burners you men are playing with here DF, they should all be good killers of light to heavy-ish game, and here I am plying my spare time trying to learn to shoot a Sharps rifle long range, I'm trying to follow Sharpsguy and he's WAAAYY out front. grin


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Yeah, sorta other end of the spectrum.

I've seen the buffs you guys have been zapping with those big ole cannons...

Meat in the freezer, either way...

DF


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