Had similar trouble with IMR 8133 through my RCBS powder thrower ,i just give the through lever several taps with a handy 6 inch bolt and the vibrations release the powder no problem !!
Type: Posts; User: 30late
Had similar trouble with IMR 8133 through my RCBS powder thrower ,i just give the through lever several taps with a handy 6 inch bolt and the vibrations release the powder no problem !!