The NRA is the leading defender of the nation’s second amendment, all gun owners are encouraged to join this great organization
http://home.nra.org/home
Buckeye Firearms Association provide is a source of numerous firearms related articles and proposed legislation.
http://www.buckeyefirearms.org
USA Carry is a great source of information for those who choose to excise their second amendment to carry concealed. They present a nice reciprocity map
http://www.usacarry.com/concealed_carry_permit_reciprocity_maps.html