I'm a new poster and long time lurker. I decided to build my first 308AR. After much research, I decided to use Aero Precision M5 receiver set to build from. Here is the parts list.
Aero M5 FDE Stripped Lower Receiver
Aero M5E1 FDE 15" Keymod Upper Receiver Handguard Combo
Vortex Viper HS-T MRAD 6-24X50
Aero Precision 30mm Ultralight Extended Scope Mount
AimSurplus 308 NiB BCG
Geissele B-G2S-E Trigger (Brownells)
VLTOR A5 Buffer Tube
Armalite AR-10 Carbine Buffer Spring
Armalite AR-10 Carbine Buffer, Heavy
Mega 18" 308 Win Barrel
Spikes Tactical Mid-Length Melonite Gas Tube
Ergo Tactical Deluxe FDE Grip
VLTOR VC-301 Flash Suppressor/Compensator
BCM 308 GunFighter Charging Handle, Medium
Magpul STR Mil-Spec Buttstock, FDE
SLR Rifleworks Sentry 7 Clamp-On Gas Block
Had some extraction issues until I got the gas block setting dialed in, but with match grade Black Hills 168 SMK ammo, it easily holds Mega's 1 MOA gaurantee.