( Please take 1 minute to Read)  as this is a factory built new complete upper and stripped lower , but you will have to finishing it which is very easy to do, I have had way too many people ask and think they just need a stock and it's done, This is not a cheap build, and they don't understand what a complete upper is or a stripped lower. )
This is brand new in box and has only been out of box for photos,

This is as sold from Aero as you get it . 18" 223 wylde S1 atlas (Complete upper) a complete upper has no BCG or Charging handle. But is complete, this is how it come, , The Lower is stripped comes with new style carry release screw, To complete this build you will need a BCG, a Charging Handle, a lower parts kit, a Trigger set,  a buffer tube a buffer a spring, a castle nut a Stock a grip / or whatever furniture you choose,

 I have an open parts kit all mil spec and a trigger group mil spec and a stock charging handle, maybe a mil spec grip , I will add anything i can to it if you buy The Upper lower and scope mount, full price of $775

if you just want upper and lower I will throw all what I can for $725, 

If it's listed it's available, This is a Complete Upper as sold No BCG no Charging handle, Stripped Lower , ss listed , $700 Firm 

will add parts kit mil spec for lower 25$ 

New Complete Aero Upper New FDE Aero Atlas S-1 15" -18" 223 wylde 416 stainless black with Striped New Aero Enhanced E1 lower matched 

Scope mount is Aero cantted forward Light weight 30mm black paid 120$ it's new 75$ and its yours if you buy everything I will go above what I can to give you any parts I have they will be mil spec 

$ 700  cash firm , I paid $680$  for upper by itself $200 for lower  . Bottom price or trade for 9mm pistol preferably Glock not interested in house builds 

original purchaser and ccw holder you must be legally allowed to buy a firearm and 21 or 

6028102364 

Only trade for Glock in new condition factory only9mm 3-5gen  19-45-34- 47-17-43mos will look at other 9mm or 357 mag revolver trade value $775 

 Trade for a Hardtail size large MTB or real good frame and fork . 29er /27.5 only