Ya got me
Ammo looks fine, but looks can be deceiving.
For what it's worth, my Kimber will eat anything I feed it, while the Cbob is a little bit more finicky.
To get concise results, you'll need to take a few rounds of each manufacturer and measure the case lengths and OAL for seating depth. Dave Waits should be along shortly to tell you what you really need to do as I just pulled that suggestion out of rectal defilade.