Gemtech Linear Inertial Decoupler L.I.D. 9mm 13.5x1LH Threads

Linear Inertial Decoupler device is intended for use with the GM-9 and Multimount suppressor. The use of the LID allows the pistol to properly cycle when the weight of the suppressor is added to the end of the barrel. NOTE: this item is not compatible with Trinity or Vortex suppressors. Threaded at M13.5x1mm left hand.