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Any of you guys have experience with this combo? I am trying to find a good load for the 75s. I shot 36 and 36.6 grains of H414 today but they ES was significantly higher than I am used.


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I've been playing with the 75 gr HPBT in my 22/250. I tried 760 as I had a decent amount of it with no use so gave it a try. I was disappointed with the accuracy.

Next up was Hodgdon 4064 and Varget. Both of those gave me good starting accuracy. I am working with the Varget as I have plenty at the moment. I would like to find a companion load using IMR 4166 to use on occasion to clean the copper out.

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37.5 gr RL 17, WW Brass, CCI 200 75 Gr AMax, 3244 FPS 5 shots, .437", 1in8 Tikka 22-250

Dennis send me your E mail via text or PM and Ill send you my Excell File 22-250 load data Kurt

Last edited by kk alaska; 11/24/22.

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Dennis,

I've used H 414 in the 22.250 with a fast twist and the 75 A Max, 80 gr A Max and 75 BTHP...

yet even tho the velocity spread was the highest of any load tested, the most accurate load used H 414, from 100 yds out to 400 yds.
with ANY of the three bullets...

I tripped over at a later point tho... the fastest velocity and accuracy combination with those bullets turned out to be 33.5 grains of 4064, which gave an MV of 3350 fps out of a 24 inch barrel from Pac Nor, 1 in 7 twist, Stainless barrel.

Don't know if you remember when we had the Campfire Get Together in Texas at Ed Too Many Letters place, we had a long distance shoot. you won that one, until they found one target that I hadn't put my name on.. my group was the smallest. I was shooting that 22.250 with the 1 in 7 Twist Pac Nor barrel on a Ruger 77 Mk 2 action, and my load was the one above... 33.5 grains of IMR 4064 with a 75 grain BTHP....

So that should attest to its accuracy potential.


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I'll look and see if i have any 4064. I have mostly slower powders


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Great accuracy with 75 A-max and H4350 in my '250

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Originally Posted by erickg
Great accuracy with 75 A-max and H4350 in my '250


Same here. Great combo all the way around.


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What kind of velocity y’all getting with H4350?

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3025, but I'm shooting from an 18" Barrett Fieldcraft.

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I was just reading about this in another thread and posted about filling the case full of 4350 and knocking the excess off the top and running a 75 Hornady on top of. Shot great. Lots of dead fur too. I think you can get like 41 or so grains in that case. Should run around 3000.

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my post in November, once again... doing a lot of testing the fastest MV achieved and with darn good accuracy to boot...

33.5 grains of 4064....3350 fps with 75 and 80 grain bullets, out of a 24 inch Pac Nor Stainless barrel, in a heavy magnum contour, with a 1 in 7 twist...

and at the time, I thought I'd find that with H 4350 or IMR 4350.. but I didn't...

4064 and followed by RL 15 for the velocity and accuracy champs.. IMR 4895 NOT that far behind either of those powders...


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Yea, 4350 won't get you there velocity wise. 4064 and varget will do it. Wish they wouldn't have stopped making 4320. It's a good powder. H380 ain't bad either. Buddy locked his bolt up and welded a case head to his boltface one summer. Load was good in the winter. One 90 degree day he shot a few shells that had stiff bolt lifts then boom, locked her down. Stuff is hot.

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Lots of good options here.


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Varget is the preferred powder in my two faster twist 22-250s.

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My 22-250 had a 24” 1:8 twist Criterion barrel. With 75gr Amaxes, I got tiny groups and decent velocity (3167 IIRC) from R15. 5 shot groups at 700 yards were 3-4”. I tried H4350 but never got near the precision that R15 gave me.

Currently shooting 88gr ELDs from a 7” twist .22GT. Pretty much identical case capacity to the 22-250. This combo likes H4350, giving me a 10 shot group in the .4s.

So, I’d recommend something in the R15 burn rate with 75s and something in the H4350 burn rate with 88s.

John

Last edited by Hondo64d; 01/07/23.

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So at what point as for bullet weight is it best to jump ship and move on to a 6 mm?


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