[synical]

how hard is it to pull the barrel off my 16" smith and wesson m&p and replace it with like a 20". I dont know I have never tried to remove the barrel.

 

[mountainman13]

About like this.
[ame]http://www.youtube.com/watch?v=UCxa0JJU4Iw&feature=youtube_gdata_player[/ame]

 

[roughneck266]

Nice video. I've done a few but it was still pretty good to watch.