a slot is the easiest option :02shrug:
Discussion
LESS PARTS AND ALL BUT IT WEAKENS THE BOLT HEAD
STRUCTURALLY
MAYBE IT COULD BE LIKE SOME OF THE RHODESIAN SHITBOX SMGS -- A ROD THAT PROTRUDES THROUGH THE BOLT FACE
ITS LENGTH IS SUCH THAT WHEN THE BOLT TURNS TO LOCK, THE BOLT HAS CLEARED THE EJECTOR ROD AND THAT ROD NOW RIDES ONLY IN THE BACK OF THE BOLT CARRIER
IT WOULD THEN ALSO DOUBLE AS A CONTROL THAT PREVENTS OUT OF BATTERY ROTATION OF THE BOLT