White Oak Armament 16" Midlength gas stainless steel 1:7 twist barrel
KAC URX III
M4 upper receiver
Round count on barrel 7,000
IMG_2906 by wormydog1724, on Flickr
$600 shipped, paypal
*does not include BCG, charging handle, sling mount, suppressor or suppressor mount, rear sight, or optic. Upper only.