Griffin Armament Revolution, Griffin Gar1351lh Piston 13.5x1mm Lh

This revolution piston is required for use with the revolution 9 silencer and for the optimus in the pistol configuration.It ships with a 12.5x1mm lh piston and is constructed of 17-4 stainless steel.

Finish: Brass
Model: Revolution
Material: 17-4 Stainless Steel
Thread Pattern: M13.5x1mm tpi
Hand: Left