thanks for the info marshall, high standard sent me some of his cast rcbs recently so i will be trying those before too long. i still need to make a cast of my chamber which i plan on doing before too long. just need some days off from the railroad.

One thing I never read about was which Lee 7 MM mold the OP was using , the Lee 7MM that is pictured on the Lee site OR the special order 7 Soup Canhttp://www.midsouthshooterssupply.com/i ... rder-Mold- If it's the "soup can" that is one design that will over compensate for T/C's notoriously long throats