Do you know how to fix this?

I made some pics of it because i dont know whats that and how to fix this. (players arms and weapon)
Everytime im in first person sight im seeing this :

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http://imageshack.us/photo/my-images/406/crossfire201111240000.png/
http://imageshack.us/photo/my-images/843/crossfire201111240001.png/
http://imageshack.us/photo/my-images/843/crossfire201111240002.png/
http://imageshack.us/photo/my-images/843/crossfire201111240003.png/
http://imageshack.us/photo/my-images/843/crossfire201111240004.png/

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P.S.: sorry for my bad english im from europe.