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jwp475 Offline OP
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Because of the speed I was getting out my rifle many thought I was over pressure.
. Here are the results


[Linked Image from i.postimg.cc]

I just noticed a typo error on the pressure chart, the 250 grain Hornady was loaded with CFE223 not Power Pro Varmint


Last edited by jwp475; 03/01/22.


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Great info showing the actual pressure with the performance we're seeing in the Whelen with the newer powders!

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My velocities out of my Highwall's 28" barrel were as follows

180-grain TTSX. . . .. 3231 FPS
200 grain Hornaday Interlock. 3080 FPS
220 grain Hammer Hunter. 2911 FPS
225 grain Accubond. 2800 FPS
225 TSX. 2850 FPS
250 Grain Interlock. 2745 FPS



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Good to actually know. Stout performance!


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Can you explain how you are measuring your pressures please? I'm truly interested. What kind of investment do you have to generate that data?


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Great info, thanks! I may have to try CFE223 w/ 225gr ABs.

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Originally Posted by bbassi
Can you explain how you are measuring your pressures please? I'm truly interested. What kind of investment do you have to generate that data?


A friend with an Olher strain Guage system did the testing for me. He used a Remington M700 with 22" barrel.



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Oddly I really like the old Whelen pushing a 250 grain bullet at 2450 fps. I can imagine recoil becoming an issue with the faster loads.


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Very useful, thanks. Especially the 250 Hornady with CFE 223. I guess what they say about that and MR-2000 getting lower pressure is really true. I always got scared of the velocity in MR-2000 even though I wasn't seeing pressure signs.

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Great information and much appreciated that you took the time to share it. Thank you. 👍

So I must’ve missed it (not unusual) but I assume Power Pro Varmint and MR2000 are the “same” powder?


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Originally Posted by TX35W
Very useful, thanks. Especially the 250 Hornady with CFE 223. I guess what they say about that and MR-2000 getting lower pressure is really true. I always got scared of the velocity in MR-2000 even though I wasn't seeing pressure signs.


Not sure why but I get higher velocity with CFE223 over 2000MR with 250 grain bullets.



Originally Posted by AcesNeights
Great information and much appreciated that you took the time to share it. Thank you. 👍

So I must’ve missed it (not unusual) but I assume Power Pro Varmint and MR2000 are the “same” powder?




No Power Pro Varmint and 2000MR are most certainly not the same powder!



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Quote
Not sure why but I get higher velocity with CFE223 over 2000MR with 250 grain bullets.


I have some CFE223. Worked up enough good loads with other powders (MR-2000, RL-15, IMR 4895) that I never quite got to it. But I'll give it a try.

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