Might keep an eye on midsouth. They have been getting various 4350 powders in every couple weeks or so. Last week they were allowing backorders on the accurate 4350. They had h 4350 in stock couple weeks ago.
Midsouth offers a variety reloading powders in container sizes from 1 pound to 8 pounds. Shop smokeless powder for sale by quantity, type, or brand here.
www.midsouthshooterssupply.com
Do some research and find out which one fits your needs. The "Tactical Rifle" powder is an extremely good substitute for H335. Othern than an innate distrust of anything new, I see no reason why the Shooters World product line should be kicked aside. In stock beats zero.