I have both 650 & 550 and never had this problem and I load 11 different calibers. With this said, I would go after the depriming pin and change it out and see if that makes the difference.
Big Dawg 1189
G19, 20, 21, 30, 32, Bersa 9, AR-15, Para P14-45
AA Conversion, M1 Carbine, M1 Garand, M78, 81
Pain is merely weakness leaving your body!