When you were changing powders with your chargemaster be sure and close the side port after you empty out the first powder otherwise you'll wonder what that sound is as you're filling it with the second powder and it's pouring all over your reloading bench
I learned that trip the hard way years ago when I first starting using mine.
I've had mine for about 7-8 years and still forget every now and then!!!
I learned that trip the hard way years ago when I first starting using mine. 
