Originally Posted by
Maury Krupp
It's both:
CMP Rule 8.1.5(1): "In all slow-fire stages, the rifle will be loaded with only one cartridge at a time. The rifle must remain pointed downrange while loading; a rifle may not be loaded while resting on a shooting stool."
NRA Rule 10.1.6 "In all slow fire events, the rifle will be loaded with only one cartridge at a time. The cartridge shall be inserted in the magazine or chamber only when the rifle is pointed down range. Resting a loaded rifle on a shooting stool or the foot, is prohibited."
Maury