FWIW you can absolutely pass normal bullets through most airport metal detectors. The typical threshold meant to not flag basic jewelry/etc... will let 1-2 9m

FWIW you can absolutely pass normal bullets through most airport metal detectors. The typical threshold meant to not flag basic jewelry/etc... will let 1-2 9mm rounds pass through. SOURCE: flying after being at the range with two 9mm rounds forgotten in my pocket.