Those who are looking for this product in the UK, it is now available at Rules of Engagement for £74.99... "This model will work with any AEG with standard 14mm clockwise threading. Easy to install and Release System. The material of sliencer is full metal and come with blackout 51T flash hider. Fully licensed by Advanced Armament Corporation.

Thread : NEGATIVE
Length: 170mm
Diameter: 38mm
Color: CW/DE
Adaptive Material: 14mm Clockwise"