A not much at all, in fact less than some FMJ that I have shot.
I used to use Precision Moly bullets, they are great bullets and very economical. However, I prefer TG powder for various reasons, and while I shot MANY thousands of rounds with PM bullets and TG powder, it was VERY smokey.
I changed to Bayou Bullets late last year, and find them to be outstanding in quality and price.
Thanks for the info. Now my only dilemma is what gr bullet for 9mm! I've shot a bunch of 147 gr MG so I'm leaning toward 147 bayous but am curious about 160 gr also...