First timer on this forum guys so i thought I would add something for 44 magnum shooters here.
Like all Ausies who can't get pistol powders for there 44 Mag leverguns, I have worked up a load of 11.2 gns of W572 powder for a velocity of 1555 fps in my 20 inch barrelled Henry BigBoy.
I gutted 25 Winchester Magnum X BB shotgun cartridges and got enough powder to load 65 44 Mag cartridges.
There was no powder residue left in the case or barrel after firing and no excess pressure signs on primer or case head.
While working up to that load I found that less than 10 gns left the outside of cases black from leak by, but 11.2 gns was the sweet spot.
Used Tigershark 240 gn copper coated projectiles.
I'm fitting a red dot sight when it arrives so I will fill you in on accuracy after some testing.
44isgood