Information - Legal
     f   = Facebook links (currently, or semi-currently, maintained sites only)

ATF: Federal Firearms Regulations Reference Guide 2014
ATF: Listing of Federal Firearms Licensees (FFLs)
ATF: National Firearms Act Handbook
ATF: Rules and Regulations Library
Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF)  f
Bureau of Firearms (CA)
Bureau of Land Management (BLM)  f  (California - change the state name in the URL for your state)
California Legislative Information
Congress.gov (bills info)
Dangerous Weapons Control Law (CA)
Federal Firearms License Search (ATFOnline, input FFL number to validate)
FFL Dealer Locator (Gun Broker, search by ZIP or state)
NRA-ILA: Guides To The Interstate Transportation Of Firearms and similar
Transporting Firearms in California (CA DOJ)
United States Code/USC (search)
               ELR Resources
Services
   Gunsmiths
   Ranges
   Retailers/E-tailers
   Training