5.56 Nato 'Operator Series' 7.5" Nitride Upper Kit / 1:7 Twist / 7" MLOK Handguard

  • Color:Black
  • Caliber:5.56 Nato
  • Gas System:Pistol Length
  • Barrel Length:7.5 inch
  • Twist Rate:1:7
  • Thread Pattern:1/2 x 28
  • Muzzle Brake:A2 Flash Hider
  • Handgaurd:7 inch MLOK