The Madbull Airsoft Noise Maker (14mm CCW) is designed to allow you to attach PET bottles onto your AEG / GBB to act as an amplifier or alternatively act as a silencer.
The Madbull Noise Maker features a 14mm CCW thread and the adaptor fits most PET bottles.
Note:It is illegal to make a PET bottle silencer in the USA. This flash hider / muzzle break is for decoration only. This product will not work on real firearms. By installing this, you may void the warranty on your airsoft gun.