Hodgdon H4350

[hoytcanon]

H4350 is one of my favorite powders... I have used it in both .30/06 and .375 H&H... 80.0 grains with a 300 Partition in my Ruger RSM is a deadly combo. In .30/06, I have switched to Ramshot Hunter.

 

[CAustin]

Is this powder relevant for reloading .375 H&H and 30.06?

RWP

Yes

 

[meritman]

Hard to beat RL-15 for proven data. H-4350 is a solid performer too. If I were to start a new load I would take a swing at RL-17, it works great in the slightly larger 375 Ruger case. The next 375 H&H I get my hands on will try RL-17.

 

[Ridge Runner]

Hard to beat RL-15 for proven data. H-4350 is a solid performer too. If I were to start a new load I would take a swing at RL-17, it works great in the slightly larger 375 Ruger case. The next 375 H&H I get my hands on will try RL-17.

I for one would be interested in seeing your test /ballistics results and recipe.

 

[Riflecrank]

If you are seeing more listings with IMR-4350 than H4350 then you are probably looking at old data.
Since going to H4350 I never went back to IMR-4350.

I also switched from RL-15 to Varget due to the better Thermo-Ballistic-Indepence and less lot-to-lot variability.

RL-17 is a great newer powder compared to the older ones above.
It is more energy dense and slightly more compact than H4350, maybe not so good as H4350 on TBI.
RL-16 might have improved on the TBI.

If I am getting 2736 fps with a 300-grainer in my 24"-barreled, 1945-vintage-long-throated .375 Weatherby with 88.0 grains of H4350,
then probably 86 grains of RL-17 might do a few fps faster at similar pressure.
RL-17 is remarkable for being easy to reliably ignite 180 grains of it in the 12 Gauge From Hell with a 209 shotgun primer, under a 1400-grain lead slug.

I never tried RL-17 in my old .375 Weatherby, or my new one with the latest CIP shorter throat chamber.

But here is a comparison of three "4350s" in the old long-throat with 24" barrel,
just three shots with each, 300-gr Sierra GameKing, F215 primer, instrumental 5-yard velocities:

AA-4350: 2722 fps Ave., 10 fps ES, 5 fps Std.Dev.
IMR-4350: 2689 fps Ave., 43 fps ES, 22 fps Std.Dev.
H4350: 2736 fps Ave., 12 fps ES, 6 fps Std.Dev.

Just an anecdote, maybe a bum lot of IMR-4350, but I am happy with H4350 with 300-grainers in the .375 WbyMag,
and 180-grainers in the .30-06,
and 140-grainers in my 6.5 Manbun.

 

[rwp315]

For whatever reason I've not had luck with H4350 in any of the calibers I've tried it in. It is supposed to be quite close to IMR4350. The IMR version works very well in a .30-06, 7mm and my .375HH. Why the H4350 doesn't is likely just my rifles are finicky about it would be my guess.

I say this not to knock on Hodgdon. If I combine IMR4350 with Hodgdon's Varget and H4831, I can cover most of the rifles in my cabinet, add H4895 for 250gr .375 loads. So I'm a fan of Hodgdon even if the H4350 doesn't work for me.

I would suggest to the OP to go to Hodgdon's reloading website. Choose .30-06 for caliber and H4350 as powder. Leave bullet weight unselected. Once you hit the get loads button, it will list out a number of loads of many bullet weights.

Hodgdon Reloading Data Center – The Brand Thats True

hodgdonreloading.com

Thank you!

 

[D.M.V]

I know the 6.5 creedmore guys covet h4350, I as well am surprised by the price jump "when" I ever see it for sale

 

[revturbo9967]

Use nothing but H4350 in my 375

 

[rwp315]

If you are seeing more listings with IMR-4350 than H4350 then you are probably looking at old data.
Since going to H4350 I never went back to IMR-4350.

I also switched from RL-15 to Varget due to the better Thermo-Ballistic-Indepence and less lot-to-lot variability.

RL-17 is a great newer powder compared to the older ones above.
It is more energy dense and slightly more compact than H4350, maybe not so good as H4350 on TBI.
RL-16 might have improved on the TBI.

If I am getting 2736 fps with a 300-grainer in my 24"-barreled, 1945-vintage-long-throated .375 Weatherby with 88.0 grains of H4350,
then probably 86 grains of RL-17 might do a few fps faster at similar pressure.
RL-17 is remarkable for being easy to reliably ignite 180 grains of it in the 12 Gauge From Hell with a 209 shotgun primer, under a 1400-grain lead slug.

I never tried RL-17 in my old .375 Weatherby, or my new one with the latest CIP shorter throat chamber.

But here is a comparison of three "4350s" in the old long-throat with 24" barrel,
just three shots with each, 300-gr Sierra GameKing, F215 primer, instrumental 5-yard velocities:

AA-4350: 2722 fps Ave., 10 fps ES, 5 fps Std.Dev.
IMR-4350: 2689 fps Ave., 43 fps ES, 22 fps Std.Dev.
H4350: 2736 fps Ave., 12 fps ES, 6 fps Std.Dev.

Just an anecdote, maybe a bum lot of IMR-4350, but I am happy with H4350 with 300-grainers in the .375 WbyMag,
and 180-grainers in the .30-06,
and 140-grainers in my 6.5 Manbun.

Thank you!

 

[Brexil00]

That might be a little too slow / bulky for you. You might be able to make up for it some if you seat it long so you can probably get more powder in there, and/or if you use a case that has more capacity / thinner walls. But I think you'd be better off trying to pick up something that will burn more efficiently CFE223 or Ramshot Hunter/Big Game /TAC or StaBALL 6.5, or Accurate 4350 would all be more efficient.

 

[Datchew]

Very similar to varget. I use both for 308, 300wm, and 375h&h

 

[rwp315]

That might be a little too slow / bulky for you. You might be able to make up for it some if you seat it long so you can probably get more powder in there, and/or if you use a case that has more capacity / thinner walls. But I think you'd be better off trying to pick up something that will burn more efficiently CFE223 or Ramshot Hunter/Big Game /TAC or StaBALL 6.5, or Accurate 4350 would all be more efficient.

Cfe223 for 375h&h?

 

[Rule 303]

Use AR2209 (H4350) with all bullet weights in my 375H&H, except for the Hydros. They are too long to get a good useable quantity of AR2209 in, so for these I use AR2206H (H4895). I get good velocity and excellent accuracy with both.

Also, AR2209 is my go to powder for the 270 and Rigby 416. I do not have a 30-06 so cannot comment on this.

 

[Bob Nelson 35Whelen]

Is this powder relevant for reloading .375 H&H and 30.06?

RWP

@rwp315
With H4350/adi2209 and careful reloading it's no problems getting the 150 grainers over 3,000 fps. It's a great powder in both the 06 and the 375.
It will also give 100 grainers in the 25-06 3,400 fps safely.
Bob

 

[Bob Nelson 35Whelen]

I've used H4350 with a 180-grain cup-n-core and bonded bullet from my .30-06 since forever. Extraordinarily consistent with loads just over 2,700 fps MV from a 24" barrel.

I also use H4350 with a 300-grain bonded bullet to target 2,450 fps MV from my 24" .375 H&H barrel.

If you want the same MVs and trajectories from both .30-06 & .375 H&H, then match the 180 grain .30-06 load with a 270 grain bullet out of the .375 H&H. You'll need to use a touch faster propellant than H4350 such as Varget.

Do check the Hodgdon Reloading website for related load data.

@Puddle
In the Whelen with 310 grainers and a healthy but safe dose of H4350/2209 I get 2,455 fps.
Bob

 

[Bob Nelson 35Whelen]

Cfe223 for 375h&h?

@rwp315
Yes but not so much for the ought size.
Bob

 

[375 Ruger Fan]

I use H4350 in several different calibers and it gives excellent results as far as SD and ES.

For the 404 Jeffery, H4350 and a 400 gr Swift A Frame are magic.

 

[rwp315]

Thanks to all for responding. It’s a big help for getting started with the 375 and getting back to the 35W.

 

[Bert the Turtle]

seems good so far in my 375 and about to start loading it for my 404. It has been reliably available, so I’m working on in for 30-06 as well. Doesn’t meter particularly well, but I’m in no rush so I don’t mind weighing charges.

 

[Bob Nelson 35Whelen]

Thanks to all for responding. It’s a big help for getting started with the 375 and getting back to the 35W.

@rwp315
You should never have left the 35W.
The best all round powder for the Whelen tho is CFE223.
Bob