The Acts of Arkansas can be found in multiple places depending on the time the act was passed and how it was incorporated into the Arkansas Code.
The Acts can be accessed via the state's legislative website at Arkansas Code (Unannotated)
For more recent Acts, it might be possible to find them on the General Assembly website. This will only work for laws passed during or after the 76th General Assembly.
Arkansas Law (FindLaw) - contains user-friendly summaries of Arkansas laws as well as citations or links to relevant sections of Arkansas's statutes.
The Arkansas Judiciary - offers connections to all levels of courts in the state, including, court calendars, directories, and opinions.