Everything I have ever read is that lead will make higher pressures, and start even lower with them on workup. I have shot 150gr swc out of my xd, and I was shooting .5 gr less of powder to get the same vel out of them as my plated.
I load bullseye behind both FMJ, and lead TC bullets. I loaded with tightgroup for the first time last week. I could be insane here, but I had substantially less smoke with the tightgroup and lead load, than the bullseye and lead load. It may have been conditions at the time of shooting, but it is something that I will surely monitor as time goes on.
hunh, titegroup is fast burning, so it produces less flash/smoke from the powder, on the other hand it is a fast powder, and a double base (IIRC) that burns very hot. This usually means more leading and more smoke form lead bullets.
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