try 2.8 grains of titegroup with 180 lead tc bullet
I use 2.8 grains of titegroup with a missouri bullet 180 gr lead truncated cone. They run 700 fps out of a 5 inch barrel. They are slow and don't burn the lube but they seal just fine and don't lead at all. I have shot 800 of these before...
don't use mbc 38 special bullets in a 357
Look at the brinell numbers when you order, missouri bullet makes all their 357mag bullets in brinell 18 because it has much higher pressure than a 38 special. Is using the wrong hardness of bullet the end of the world? no. But, 38 special dewc are...
http://www.gandermountain.com/modperl/product/details.cgi?i=412491&pdesc=Remington-22-Long-Rifle-Rimfire-Ammunition&cname=Rimfire-Ammunition&aID=513C4&merchID=4006&r=view back in stock