you don't get many rounds out of a keg of powder, that's for sure. If you're not magazine feeding them, of course, you can get a longer COAL. I don't know of an

you don't get many rounds out of a keg of powder, that's for sure. If you're not magazine feeding them, of course, you can get a longer COAL. I don't know of anyone doing compressed loads (why would you?) but I assume it's possible. If we assume a 50BMG-shaped round that isn't actually to standard, you could load it with titegroup or something exciting, but I think making something like that which would chamber in a 50 BMG would be borderline criminal.