Shelby,
You mention your bolt slides over rounds in the magazine. When you "a little pressure on the front of the round", did the base raise up enough to be caught by the edge of bolt and pushed forward into the chamber? If so, perhaps it could it be as simple as replacing the existing magazine spring attached to the bottom of the follower with a new one to raise the loaded rounds just a little higher in the magazine. The other thing that immediately comes to mind is tweaking the magazine feed lips slightly to raise the rounds a little higher. There are probably other possible causes and remedies, but I tried to start with the simplest things first. I'm sure others with much more experience and knowledge than me will chime in to help you out.
Good luck!
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