H100V

B

bearhunter

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Last year I was gifted a few pounds of H100V.

I used it in a few cartridges, and had both good and bad results.

Over the last year, since I first started using H100V, I've become more familiar with its burn rate and curve.

It's very slightly slower burning than IMR4350, and appears to have a longer dwell time at peak pressure, thereby lengthening the higher pressure curve before dropping off the cliff.

I really like IMR4350 and have several pounds on hand, as well as a few variants with similar burn rates, including WC852 (H450).

All of them are excellent, butttttt H100V has one feature which makes it very desirable, especially for those trying to squeeze as much accuracy out of their loads as possible.

It has an extremely consistent burn rate. It's not listed as being temperature stable but it appears to be from the readings given off by my Garmin Xero 1.

The extreme spreads on five different cartridges, 6.5x55, 8x57, 7x57, 270 Win and 280 Remington, have all been under 20fps. With the 7x57 and 280Rem both showed extreme velocity spreads at 13fps, according to my notes.

That's incredible.

The other good thing about H100V is that it's still available in a lot of LGS and big box outlets at reasonable rates (by today's prices)

I haven't seen it offered in 8 pound jugs but it's likely out there.
 
H100V is a great powder when it works and it is still available and inexpensive. At equal powder charge weight, it produces much less heat than almost all other powders, which is good for longer barrel life.
 
mimile said:
H100V is a great powder when it works and it is still available and inexpensive. At equal powder charge weight, it produces much less heat than almost all other powders, which is good for longer barrel life.
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Well isn’t that interesting 🤨 Where would a person get INFO like that on all other powders please 🤷🏼‍♂️ RJ
 
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mimile said:
H100V is a great powder when it works and it is still available and inexpensive. At equal powder charge weight, it produces much less heat than almost all other powders, which is good for longer barrel life.
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It also burns very clean. Almost no powder fouling when I clean the bores.

RJ, it's OK if you don't like H100V. It's worked very well for me and is a great substitute for ENDURON/IMR4451.

It seems to work well in non magnum cases with both light and heavy bullets.

I even tried it in the 223rem, with as much powder as I could squeeze into the case with 77 grain bullets. It worked better than I expected and later this spring, I'm going to work up a load with it, to see what it's capable of. Much more consistent than BLC2 or CFE223
 
bearhunter said:
It also burns very clean. Almost no powder fouling when I clean the bores.

RJ, it's OK if you don't like H100V. It's worked very well for me and is a great substitute for ENDURON/IMR4451.

It seems to work well in non magnum cases with both light and heavy bullets.

I even tried it in the 223rem, with as much powder as I could squeeze into the case with 77 grain bullets. It worked better than I expected and later this spring, I'm going to work up a load with it, to see what it's capable of. Much more consistent than BLC2 or CFE223
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Hey 👋 I never said I didn’t like it 🤷🏼‍♂️ i was just teasing TB about using it as it’s not a Designer powder ! and It’s not all that common and I did think it was invented prior to 2009 🤔 🤣lol RJ
 
OK, my funny bone was off.

I don't know for sure, but it may have been the basic formula for IMR4451, the loads are identical. Only the shape of the kernels is different.

You can get a lot more H100V into a case than you can IMR4451, so in some cartridges, such as the 338-06 and 8x57 Mauser it should really shine.
 
LdSH_Tanker said:
Check higginsons powder for 8# kegs. I just got 2 from them the other day. $372.99 a keg
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Canadian Tire in our area carries it and has continuously had it in stock, even during the Covid dearth. Price is around $60/pound and less for the 8 pound keg.

Edit as of today Mar 04 and the price has gone up to $71.95/pound.
 
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I use it in my 270 with TTSX bullets. 110gr TTSX at just over 3300fps and 130 TTSX at 3040fps. Both with single digit extreme spreads and accuracy of .5moa or less. Only problem is I’ve never seen any in Manitoba since I bought it 7 years ago. Good thing I bought lots when I did.
 
AR2217 by ADI i believe?
should be temp stable-- is a slow burner if thinkng of same stuff-- not sure what the V refers too at the end though?
should be between 4350 and retumbo ?

ADI does have a comparison chart for their powder against other brands :)

i used it in a 7rm once i think
 
WhelanLad, I'm wondering if it's in referral to who made the powder???

I compared it to VVN550 and you can't see any difference.

mimile's information would be another clue, the Vita Vhouri 500 series powders were specially coated to produce higher efficiency, faster velocities, at lower temperatures and be relatively stable between -10C and 25C

H100V seems to be all of those things.

It may be a better deal than I first believed, VV powder @ $70/pound is a great buy, even if it's produced under license.
 
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