I'm goinh to be using the RCBS 309-200-SIL bullet in my whisper for the subsonic stuff. SMK's are just ridiculously priced. I get a projo of around 215 grains when cast of straight wheelweight. The round has a small meplat on it, so I wouldn't hesitate to use it for hunting hogs either. Of course the cast bullets build pressure much gentler than jacketed, so some additional load tweeking will be necessary. I'm in the process of building a suppressed AR, so when I have data I'll be sure to share.
Kevin
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