A01 Silencer Adapter was made by stainless steel with CNC machined. It provides 11mm positive which can fit the CowCow OB1 5.1 SS Outer Barrel and convert to 14mm negative which can fit most commonly used silencers or tracers on the market. Highlighted features: -Machined stainless steel construction -11mm positive to 14mm negative -Knurled thread protector -Allows for the mounting of most popular mock suppressors -4 Colors option: Raw Silver, Titanium Black, Titanium Gold & Rainbow
