Hodgdon 4350 vs. IMR 4350

[D Baker]

I have been working up loads for my GAP 260 and have found that both of these powders perform extremely well. So well, that it is hard to tell the difference. Groups are excellent and I would be very confident in either one. In fact, I had settled on IMR 4350 based on availability but found some Hodgdon 4350 and decided to try it as well. Anyway, all things equal in performance, is there a preference when considering secondary factors?

D Baker

 

[Cigarcop]

Re: Hodgdon 4350 vs. IMR 4350

The Hogdon is an extreme powder so less sensative to temperature changes.

 

[ChadTRG42]

Re: Hodgdon 4350 vs. IMR 4350

Yes. The H4350 is a temp insenstive powder. From winter time to summer time, you will notice a velocity/pressure change in your load with some of the IMR powders. I love the IMR powders, especially IMR4350. But a hot/fast load developed in the winter time will be a HOT load in the summer time. You won't notice this with the H4350 powder. If there is no noticable difference in the 2 powders that you can tell, I'd go H4350. Plus, H4350 doesn't clump up like IMR4350 does.

 

[Cigarcop]

Re: Hodgdon 4350 vs. IMR 4350

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChadTRG42</div><div class="ubbcode-body">Yes. The H4350 is a temp insenstive powder. From winter time to summer time, you will notice a velocity/pressure change in your load with some of the IMR powders. I love the IMR powders, especially IMR4350. But a hot/fast load developed in the winter time will be a HOT load in the summer time. You won't notice this with the H4350 powder. If there is no noticable difference in the 2 powders that you can tell, I'd go H4350. Plus, H4350 doesn't clump up like IMR4350 does. </div></div>

Yep, I've got some great loads with the IMR, you just have to know when to shoot them!!

 

[D Baker]

Re: Hodgdon 4350 vs. IMR 4350

Thank you for the feedback. Any thoughts on how the RL-17 would stack up? It has also performed well...but I have only played with a few loads.

 

[mdavis78102]

Re: Hodgdon 4350 vs. IMR 4350

I am loading RL17 in the 6.5X284, and I love it. It pushes the 140 gr Berger to 3180 fps. Cases don't last, but that's the nature of the beast.

The only way to compete in F-Class is to either be good at doping wind, or find a way to compensate. High BC's and more speed.

 

[jbaldwin]

Re: Hodgdon 4350 vs. IMR 4350

IMR and H 4350 are very, very close in burn rate as well. I prefer H4350 due to stated above non temp sensitivity and avalibility here in Eastern NC (300 WIN mag)

 

[300ATT]

Re: Hodgdon 4350 vs. IMR 4350

+1 H4350

 

[Rob01]

Re: Hodgdon 4350 vs. IMR 4350

H4350 is my choice for the 6.5 Creedmoor and .243. Excellent powder and very temp insenstive as mentioned. I worked up a load in cold new england in Jan and it was the same velocity in south TX in March in the 70s and 80s.

 

[Greg Langelius *]

Re: Hodgdon 4350 vs. IMR 4350

Hodgdon now markets both. The H4350 has the Hodgdon Extreme thermally desensitive coating technology, and is also described by Hodgdon as being an 'SC" or Short Cut powder, which nominally indicates it should flow more easily and more consistently during metering.

Powder granule deterrent coatings have traditionally been formulated from a graphite-based substance. Personally, I have also considered this to be something of a dry lubricant product, similar in effect to moly.

These days, I wonder A) whether the newer coating might have some association with moly, B) whether the BR shooter practice of using their moly by adding a pinch atop their powder charge, instead of coating their bullets, might be a better approach, and C) whether using graphite as a bullet coating agent might have some value.

Greg