Title says it all. Im looking for a COMPLETE 223 AR15 flat top upper. At least a 20 incher low round count. A 1-9 or 1-8 twist. I might be willing to trade a very clean, good shape(has 2 scratches on carry handle) COMPLETE SP1 upper. I will be leaving to go parier dog hunting on the 16th wont be back till the 24th. PM me with what you got. Ill email pics of SP1 if you want pics.