Shop › LANTAC STNGRY NONLINEAR COMP 556 BLK LANTAC STNGRY NONLINEAR COMP 556 BLK $166.99 LanTac USA LLC Stingray Nonlinear Compensator, 1/2-28 Thread Pitch, Nitride Finish, Black STG556C-BLK Add To Cart Added! LanTac USA LLC Stingray Nonlinear Compensator, 1/2-28 Thread Pitch, Nitride Finish, Black STG556C-BLK