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What is the difference between IMR 4831 and H4831?

What is the difference between IMR 4831 and H4831?

bigedp51. H4831 is made in Australia by ADI which is now owned by a French company, IMR4831 is made in Canada and is now owned by General Dynamics Weapons division. Their equivalence is like comparing Vegemite to Marmite. Remington/DuPont set up the powder plants in Australia making powders like its IMR powder lines.

What is H4831 good for?

H4831 is a slow-burning powder. I’ve found it most useful in magnum type cartridges, but it also works well with the . 30-06 and heavier bullets, say from 180 grains or so and up.

What is H4831SC?

An extruded powder in Hodgdon’s Extreme series, it is probably safe to say more big-game animals have been taken by handloaders with H4831 than any other powder. For H4831SC, this Extreme extruded powder is the exact ballistic copy of H4831. …

Are H4831 and H4831SC interchangeable?

Yes, you can use the same load data for H4831 vs H4831SC, but the SC version may allow you to get a bit more in situations where you are maxing out case volume with the standard powder before reaching pressure limits.

Is H4831SC good for 7mm Rem Mag?

Senior Member. H4831SC is my go to in the 7mm Rem Mag, but I’m saving the little I have left for fall 2021. I’d start low and work your way up, depending on what load data you look at for this combo the min/max loads are all over the board.

What type of powder is H335?

Hodgdon H335 Smokeless Powder is a flattened ball type powder that meters very well. Originally, Hodgdon H335 Smokeless Powder was used to load the military’s 5.56 NATO ammo, but now it is very popular for the . 222 and .

What does IMR stand for in gun powder?

Improved Military Rifle
The IMR brand was first introduced under DuPont in the 1930’s. IMR is an acronym for Improved Military Rifle. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940).

What type of powder is H4831SC?

Extreme extruded powder
H4831SC is an Extreme extruded powder and the exact ballistic copy of H4831.