A.P.S. Silencer Adaptor for ACP601 GBB Pistol 
This silencer adapter is made of metal 
It is designed for ACP601 Airsoft Gas Blow Back GBB Pistol 
It has 14mm+ thread on one side connected to the outer barrel of our ACP601 Pistol and a 14mm - thread on the other side allow user to mount aftermarket airsoft silencer / flash hider. 
It comes with a external cover so when the adapter is unused, you can cover the thread to enhance the beauty of your gun