Re: m-4, 3 shot burst or full auto?
colts are 3 shot, socom are full-auto...been that way forever. A reciever group can be switched out though by an armorer to make either which way.
Never say die!
"A nation who forgets its defenders is soon forgotten itself."
"A good shot must necessarily be a good man since the essence of good marksmanship is self-control and self-control is the essential quality of a good man." – Theodore Roosevelt