For sale is my (bought new)Mercury Vapor 204 Ruger AR Upper, custom built by Percision Firearms, this a very extream quality upper and includes the following: 24" Bartlein 10 twist barrel with 10 flutes, percision firearms LMD muzzle brake, PF super match bolt group, SLR adjustable clamp on gas block, handgaurd is the Seekins MLOK V3 15" MCSR, upper receiver is made by PF and has both side charge and a BMG Mod 3 Charging handle, also comes with a MLOK Bipod Mount, this is 2 yrs old, fired 60 rounds at the range and then in the safe ever since, barrel never aloud to get hot, clean- fire, first 10, then cleaned after every 15, this a very well thought out build, very accurate and like new, just dont have the time to enjoy it, comes with case and papers, this was 1839.00 when purchased, ...1550.00 shipped PM if interested, pics coming soon