Anyone looking for modmaps for rc download your first port of call should be the sandcawler forum.DS gaming run the sandcrawler modserver for swrc so unless you have downloaded and installed the latest dm mappak you wont be able to play on the server.
http://www.sandcrawler.net/)
Also tx-gaming run a modserver and unless you have downloaded and installed their mappack you wont be able to play it,
http://www.tx-gaming.net/?page_id=147)
here are a few clans who also make swrc modmaps u kan usuallly find a link on the forums
http://realrepublicplayers.shootboard.com/index.htm)
http://myrc.atw.hu/editor.htm)
http://www.modernartz.net.tc/)
http://galactic.freeforums.org/index.php?sid=4026d6dd2dbabdc75a551df4746e59ad)
http://www.pfw.de.ki/)
http://darkclone.servegame.org/Republic_Commando_Maps/)


Here on this site u kan dload 2 rc misions ;
extendedmissions and th kashyyyk files
http://www.leveldesign101.com/)

The apprentice missions by arramus is a 3map single player minigame. u kan download here..
http://www.sandcrawler.net/forum/rcmod.php?page=downloads&command=view&id=81)
also crater by rc-1266 is good and u kan play co-op tdm dm it featues ai
http://www.filefront.com/14817363/Crater.exe/)
also the ordmantel 2maps install.. just start loadgame save and open console in game type open omt_o1a.ctm ,hit enter and itl switch to that map...
http://www.filefront.com/14809357/ORD-MANTELL.exe/)
normally that is only 1map sumtimes called order66
also a short campaign called SE_CAMPAIGN by a french guy volgore not available now
http://www.filefront.com/14796671/SE-CAMPAIGN.exe/)
just install and then start a loadgame save and ingmae open console and type
open SE_01briefing.ctm ,hit enter and itl switch to that map
also a single player short mission by volgore also i think called DM_WAR_TRONDO_EPSILON u kan download it here and in single player lan u create a lan server start then open console and type open dm_war_trondo_epsilon.ctm , hit enter and itl switch to that map
http://www.filefront.com/14826791/DM_WAR_TRONDO_EPSILON.exe/)
also DM_epsilon_2 same process but in console type open dm_epsilon_2.ctm
http://www.filefront.com/14826825/DM_EPSILON_2.exe/)
ifin doubt goto your maps folder and write down the exact names of the maps youve installed to make it easier