ATI

GSG-MP40P 9mm Pistol Thread Adapter! - Now available after multiple requests this American Tactical thread adapter for the GSG-MP40P pistol converts the original M13x1 metric thread to a standard 1/2X36 thread. - Now you can attach and 1/2X36 muzzle device or suppressor to your GSG-MP40P 9mm Pistol! - Does not work for GSG-MP40 .22LR Rifles.