Well ok maybe the newest one...
Foulton Armory Sidecocker
18" Criterion barrel
Surefire muzzle brake
Giessele SSA trigger
JP reduced power spring kit
JP aluminum Rifle length free float tube
Tactical Machining Lower
VLTOR EMOD Stock
RRA LPK
Delrin charging handle plug
leupold 6.5x14 VXIII Tactical Mil Dot / P.E.P.E.R Mount