Gemtech Gemtech Replacement Piston for GM-9, Multimount 9, Tundra Suppressor LID System M13.5x1 LH Stainless Steel

The Gemtech Replacement Piston allows you to easily change threads on a Tundra, or Multimount LID to use on U.S. standard threaded pistol (1/2-28), European threaded pistols (M13.5x1mm LH), or even 9mm AR-15 carbines (1/2-36 - requires piston blocker tube). Installs in the field without the use of tools. Notes:LID body, spring and piston block not included. This is the threaded piston only