I have never encountered this problem with the Desert Eagle. In fact, I've seen some left extremely dirty and still firing without a hiccup. That said, I'd imagine the .44 mag might out perform the .357 mag just due to the pressures involved. That double-spring recoil system is a bear to operate! Mind you, that's purely conjecture. Truth be told, if you're going to get a Deagle, get the biggest caliber you can justify. There's no "practical" purpose for these guns except to be loud and scary and draw attention on the range. They are damned sexy -but too big to handle.