Hornady/ Berger seating stem ?

trauma1

Sergeant
Full Member
Minuteman
May 23, 2012
738
32
243 Winchester
I have Hornady dies with micrometer. I have purchased the amax seating stem. I started to try some Berger 115 vld match bullets. The seater is leaving a ring/ dent in the upper end of the projectile. Do I need a different seating stem????
Thanks for your time.