Help with my KJW Xcelerator
 

Hello, i was lubing my GBB but now i got a severe jam, it is in a KJW Xcelerator
the jamming happend on the bufer tube that goes around the recoil spring guide ima send dome pics, so u guys can help me, my gun is useless and ive tried it all to solve it, any help would be aprreciated

http://img297.imageshack.us/i/snapshot201002262.jpg/
http://img51.imageshack.us/i/snapshot201002261.jpg/
http://img28.imageshack.us/i/snapshot20100226.jpg/