The distinction is that drawing a pistol and waving it around is actively threatening; doing so implies intent to use the gun. Carrying a long gun on a sling im

The distinction is that drawing a pistol and waving it around is actively threatening; doing so implies intent to use the gun. Carrying a long gun on a sling implies the ability to do a lot of damage, but not the intent; it's similar to having a pistol in a holster.