Cast Bullets and Suppressors

[libertyman777]

Well actually a couple of questions.

First, are you guys seeing greater bullet expansion with cast bullets from the .300 Whisper at subsonic velocities?

Second, I've heard that suppressors and cast bullets don't mix because of the lubes involved will gum up the works. Is this true? If so, are there any .30 cans that can be broken down and cleaned?

Thanks,

Paul