Here is my build - not sure what it would be worth as I built it mostly and pricing has changed. Less than 500 rounds, probably closer to 300 I just don't use it. Can sell with or without the optics (Nikon P223) and have a few PMAGS
Lower Receiver -- Aero Precision FDE Stripped
Trigger Guard -- MAGPUL MOE FDE Mil Spec
Lower Receiver Parts Kit -- Stag
Ambi Safety -- Stag Ambi Safety Throw
Pistol Grip -- MAGPUL MOE FDE Mil Spec
Buttstock Assembly -- MAGPUL MOE FDE Mil Spec
Buffer Tube, Spring, Buffer -- Brownells
Upper Receiver -- Stag 3HL Complete Upper with Plus Package
Barrel -- 16" 1/7 4150 steel
Hand Guard -- Midwest Industries 12" Free Float - FDE