This is not normal. The U.S. Krag is not prone to 'rim jams'.

(As 'parashooter' has illustrated, in a previous thread on the subject, the Krag magazine surfaces direct the 'dumped-in' rimmed cartridges to sort themselves out and feed in 'echelon').

"Usual Prime Suspects" for feed problems are: 1. Dried grease & crud in feed-path. 2. Damaged or incorrect side-plate. 3. Early '92 or '96 follower-mechanism in a model 1898 action.