4895 H/IMR Close enough?

[GunnyJohn]

So I've been reading some of the past posts, and it appears that I can use H-4895 when IMR-4895 is called out? I get a little leary about things like this. In the past 30 years that I have been loading, I have'nt deviated much from posted load data. But these are deperate times around here, with powder supplies being as they are. Does anyone know which, if either burns faster?

[mongoosesnipe]

http://www.hodgdon.com/burn-rate.html and if you look at the load data for hodgdons site which also includes imr it would appear they are vastly different http://data.hodgdon.com/cartridge_load.asp at least for 308 168 which was the only one i looked up before posting

[smokeywolf]

You can go to the Hodgdon website and look at load data showing both H4895 and IMR 4895 for the same cartridge and boolit.

smokeywolf

[smokeywolf]

Didn't mean to reiterate what you said mongoosesnipe. You must have posted right after I went to http://data.hodgdon.com/cartridge_load.asp to check my info.

smokeywolf

[mikeym1a]

The burn rates are different, but for the cartridges that I load for, they are usually within about 1/2gr of each other. I have noted different velocities between the two even when the loads are quite similar. Of course, consult your loading manual. If you are asking if they can be used in a given cartridge, usually I would say yes, but would still defer to the manual. Never had one blow up, yet. Really don't want to start.:shock:

[Lead Fred]

You use less H than IMR. You can fill a 308 case with IMR, you can not with H.
According to the research my bud has done for his M1a

Once you get past the girl caliber, odd six & win mag dont really matter.
I use IMR, he uses H, we shoot neck and neck

[GunnyJohn]

Thanks for the info Guys. The website helped out. Guess I'll save those two lbs. of H for the wifes J-loads.

[FergusonTO35]

I'be had great success with IMR 4895 in .30 WCF with cast boolits. As soon as my other powders are used up it will be all I use in that cartridge.

[EDG]

Just load light enough for either powder. You probably will not be able to tell the difference.

[GunnyJohn]

I'be had great success with IMR 4895 in .30 WCF with cast boolits. As soon as my other powders are used up it will be all I use in that cartridge.

For my 30-30 I have 311041 and lee 170 (close to the same) what charge weight did you use? Velocity?