Pro-Arms Aluminum CNC PMM Compensator for SIG AIR P320 M17 / M18 GBB (14mm CCW)

Pro-Arms Aluminum CNC PMM Compensator for SIG AIR P320 M17 / M18 GBB (14mm CCW) CNC Aluminum Construction 14mm CCW Barrel Thread Suitable For SIG AIR P320 M17/ M18 Series Airsoft Gas Blow Back GBB Pistol