22-250 73gr or 75gr h4350 load
- Thread starter Shepman
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They don't seem to use much H4350 in my experience: the 7mm-08 doesn't show for it either. I just used the powder burn rate chart to get a comparison of burn rates, started low with the closest powder, & rolled on.
Hugnot
Well-Known Member
Try start at 34.5 gr. with H4350 & 75 ELDM's. My rifles use 35.0 H4350 & AA 4350 with the inexpensive, available, low form factor & pointy 75 HELD bullet.
RL16, a double base powder, might be absolute best for 75 grain .22-250 loads. No RL16 seen lately.
A .22-.250 quick twist with 75's is a much-underrated round & compares favorably (not necessarily better) with many 6mm's & .25's that use more powder & have more blast. Lots of inexpensive zip but not enough momentum to tip over long-range steel or hear nice loud splat sounds. Small rifle primer .22-.250 brass would be much appreciated.
RL16, a double base powder, might be absolute best for 75 grain .22-250 loads. No RL16 seen lately.
A .22-.250 quick twist with 75's is a much-underrated round & compares favorably (not necessarily better) with many 6mm's & .25's that use more powder & have more blast. Lots of inexpensive zip but not enough momentum to tip over long-range steel or hear nice loud splat sounds. Small rifle primer .22-.250 brass would be much appreciated.
Gary in MD
Well-Known Member
Hornady's manual showed data with the 75 grain Amax and BTHP with H4350. The 75 grain ELD-M isn't that much different.
Minimum is 31.5 grains and maximum listed charge is 37.2 grains. If you start at a low to middle charge and work up, you should be fine. They show data using Hornady cases and WLR primers.
Minimum is 31.5 grains and maximum listed charge is 37.2 grains. If you start at a low to middle charge and work up, you should be fine. They show data using Hornady cases and WLR primers.
Thanks guys. I was running 73gr eld-m in my .223 for coyote hunting but decided to order a Bergara 1/9 twist 22-250 for a little more speed and power @ distance. I debated the .243 bit ultimately the 70gr range 22-250 looked like what I was after. I just got some nosler brass that's lrp unfortunately I couldn't find any brass that was srp.
I almost went with a fast twist 250 myself- it should be a real nice mannered rifle.
Please share your experiences here.
Haven't got to do much load testing yet but so far with the 73gr eld-m 34.8 and 36.6 gr of h4350 has given me the best 5 shot group. 36.6 gr averaged 3095 fps from my 22" barrel and kept 5 shots just under 3/4"@100yds. May have to try some different powder as I was hoping to be in the 3200 range. My .223 is spitting them out at 2789 and that's with a 20" barrel.
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FrogFire7
Well-Known Member
Mine was a one holer with H4350 at 36.4 grains out of a 24" barrel, 3275 fps I believe. Obviously work up but that's where mine shot
