I have a Savage 12 action in an MDT chassis. It is a 300 WSM. The AICS mag length internally is 2.98”.

Rounds loaded longer than 2.945” oal don’t feed. Further inspection shows that the bullet tip gets caught under the action feed ramp. This also happens occasionally when a round slides forward under recoil.

The mag has to touch off under the action on the front side, or it won’t be stable.

I called MDT and they clarified the action needs cut for clearance, but were kind of vague about how and who could do it.

Anybody else having this issue? How did you handle it?