These omars, are absolutely not, sticking up for 2nd amendment rights. This is an area of the north west, that has the highest population of retired federal, state and county law enforcement- of any area in the contiguous United States of America. Do not be fooled, by a badge.
The article doesn't indicate what the views of the Sheriff's are on the 2nd Amendment regarding firearms. The article deals with a law which the Sheriff's oppose regarding private parties doing background checks.