This article was brought to my attention by one of Eric Shelton’s hand gun pod casts. It was episode 75. This may have been brought up before but its worth reading again. AR-15, M16, M4, M4A1, M4 Links
By the way check out the hand gun pod cast it has a lot of good stuff in it and also is very entertaining. Handgun Podcast
By the way check out the hand gun pod cast it has a lot of good stuff in it and also is very entertaining. Handgun Podcast