First of all, the word “smith” is determined as a German word meaning “mechanic”. A mechanic takes training for a five-year period. A place of business is sponsored by a business licence, so it might be a home business or it might be commercial. We are not versed in that criteria. Effectively, taking a firearm to a gunsmith—this is a person with absolute knowledge on repairs—puts a safe gun back in the hands of the general public.
On May 31st, 2018. See this statement in context.