'ceased,' cease (sēs)
v.
ceased, ceas·ing, ceas·es
v.tr.
To put an end to; discontinue: The factory ceased production. See Synonyms at stop.
v.intr.
1. To come to an end; stop: a process that never ceases.
2. To stop performing an activity or action; desist: "fold our wings, / And cease from wanderings" (Tennyson).
n.
Cessation; ceasing: We worked without cease to get the project finished on time.
How is it that they 'ceased,' private firearms?