As to the primer mis-feed; my 550B does not like CCI primers of any size. Call Dillon, they may have an answer. Winchesters of all sized feed perfectly. Rod
Our Flag is unfurled by the dying breath of our patriots in uniform. Cherish and honor it, defend what it stands for or get the hell out. Our Freedoms are not free, they've been paid for many times over.
USAF Forward Air Controller, 5th Spl Forces,
An Loc, lll Corps, RVN, 69-70, Vietnam Vet '69-'73