Gemtech Piston Gm9/Mm9/Tundra 13.5X1lh 8889340

Gemtech Piston for GM-9, Multimount 9 or Tundra Lid
Caliber - 9 MM
Sound Reduction
Diameter
Length
Weight
Mount
Material
Full Auto Rated
Finish
Thread Size M13.5x1mm LH
Installs in the field without the use of tools.
This is the threaded piston only.