As pointed out the mil tube is the same ID as the commercial tube.Bull00 said:What's the best buffer to use with with a mil spec buffer tube?
That spring appears to be an excellent quality CS spring,Bull00 said:What about the super duty silicon spring LaRue has?
http://stores.homestead.com/Laruetactic ... bok?no=126
Also, the weapon is broken in well. I'm also putting together a new 5.56 AR, would this spring be good for a 5.56?