Gently used Remington 700 AAC-SD with only 60 rounds though it. Capable of 1200+ meters w/ match grade ammo (Defender 175gr TMK). 

Build:
Gen 2 little bastard muzzle brake
LaRue bipod
KRG Spigot mount
KRG Whiskey 3 gen 5 chassis
Bushnell ERS w/ H59 reticle
Bushnell sunshade
Remington 700 AAC-SD 20" .308 barrel

If you have any questions or need more pictures please feel free to ask.