ar 15 ejection port help

[mdowse]

i need some help figuring out how to remove an ejection port cover from an American Spirit Arms side charging upper receiver to install a custom port cover.i called the company and they told me to youtube it but i have failed to find anything helpful.any suggestions??

[troysland]

Try this.

http://www.youtube.com/watch?v=kQTAHAcPelQ&feature=youtube_gdata_player