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Originally Posted by mathman
2

laugh

For sure...

Otherwise, probably not much...

If I can use 869 and 872 interchangeably, same velocities, same charges, same round and bullet, I would think one could do likewise with 870 and 872.

Jeff Bartlett could answer that question. Those differences are subtle, reportedly those powders fine tuned for specific military applications.

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Using 869 in a 264 right?

Mind sharing some load data?

I tried 74 grains behind a 140 Match king and got 3200 FPS, but the accuracy was not there. About an Inch.

Admittedly I did not try monkeying with the seating depth or try a different primer.


55.5 grains of IMR 4350 gave 2920 and .375 inches.


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Originally Posted by Jim_Conrad
Using 869 in a 264 right?

Mind sharing some load data?

I tried 74 grains behind a 140 Match king and got 3200 FPS, but the accuracy was not there. About an Inch.

Admittedly I did not try monkeying with the seating depth or try a different primer.

55.5 grains of IMR 4350 gave 2920 and .375 inches.

Or dropping the charge a bit, looking for that "sweet spot"...

Or doing a ladder.

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I had both and just sold the .264

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Originally Posted by jetbrook
I had both and just sold the .264

I have a 26 Nos, no longer have a .264.

IIRC, JB did the same after testing the 26 Nos.

I understand those who've put a lot of technology and work into their .264's.

But, starting from scratch, the Nosler is the better choice, IMO.

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I use 55 grains of IMR 4350 in all three of my 264’s with 140 Ballistic tips. Very accurate for me


[Linked Image].

Two Sako’s and a pre 64 Westerner. All have 26” barrels

I use 87 grains of 869 with a 140 Ballistic tip in my 26 Nosler. Also very accurate

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I have a Extreme Weather Model 70 in 264WM and I like it a lot. Ramshot Magnum and Rl-33 are the two powders I use. 127,130, or 140. When I want to go faster and flater I use my 6.5 X 300 Wby. I have not started loading for the Wby and used Wby factory 140 granin A-frames. I took a cow Elk with the 6.5 last November and at 250 yads it was a bang flop shoot through. This Weatherby Mark V is new to me this years hunting season and with sight in and hunting it has 11 rounds down the barrel. That barrel will last me a lifetime at this rate. The 264 is three years old and has 27 rounds down the barrel another lifetime. I don't use my hunting rifles for extended range times or varmint shooting, I have varmint guns for that. I have replaced more 22-250 varmint barrels 308 M-14 barrels and 30-06 M1 barrels then any larger bore hunting rifles. The 30 cal barrels are used in high power competition. I can't imagine anyone shooting a 264, 26, or 6.5 X 300 enough to trash a barrel.

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I have so many, I’ll never wear any of the out.

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Originally Posted by hanco
I have so many, I’ll never wear any of them out.

+1

I have around 500 rounds thru my Shilen, 26 Nosler barrel. Still a half MOA gun with favorite loads.

With the Hawkeye, I can see early throat erosion. It should go another 500. With me, once loads are developed, they don’t get shot as much.

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Originally Posted by mathman
Originally Posted by Axtell
Originally Posted by mathman
My beef with belted cartridges isn't the belt. It's the ridiculous amount of clearance between new brass and even SAAMI minimum chambers that often occurs with belted cartridges, particularly in the shoulder area of the chamber.



yes I've seen them up to 10 thou short of the chamber dimension, creating a false shoulder solves the problem.


Yes, but I'd rather do without one more cold working cycle on the brass.

Let me add I've seen more than 10 thou of slop.



Yes, it is an extra step or two. False shoulder to fit chamber , anneal, fire form and that's it. Generally anneal every 2-3 cycles anyway. Brass last until primer pockets get loose, more than 12 firings.

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