GoatGuns .50 Cal Dummy Rounds - Now you can stock up on extra rounds for your miniature .50 cal! The Mini .50 cal magazines can only hold a maximum of 5. These are meant to fill it up and have extra to display. These are the largest dummy rounds GoatGuns sells. They are brass dummy rounds and cannot be modified to fire. Features Pack of 10 dummy rounds Protective box case Measures 1in Works in .50 cal model magazines Great for adding to collection display