I have a Bushmaster M4 A2 16in Post Ban Upper assembly. This is complete with Bolt Carrier Group and Charging handle. This has seen less then 500rds. 1-9 twist with chrome lined bbl. It is in excellent condition.
$400 $380 shipped ConUS
“The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it.” - Albert Einstein