To slay the hordes at a distance, it is easy for survivors to turn to one of these trusty long guns; though chiefly made for (and intentionally limited to) recreational purposes, many rifles were common and generally available to the public. Specially manufactured military/law enforcement designs tend to be exclusively distributed and thus more difficult to find, but obtaining one can be a great boon to one's post-SHTF arsenal.
Recons specialize in long rifles. Many long rifles suffer a "Minimum Effective Range", which decreases accuracy by 50% when a target is too close to the wielder.[1]