The real HALO Silencer is produced by Gemtech.
Madbull who are the only Airsoft manufacturer to have an official license to reproduce Gemtech products.
The toy silencer can be applied to most of NATO rifles, machine guns and rifles with M4 style flash hiders.
Including to most of M4, M16, AUG, M249, SG551/552 and more...If your AEG flash hider's outer diameter (ID) is similar to M4, it shout work. (Not guaranteed. Because different factory have different standards.)

Length :195mm

Adaptive End :  Direct Attachment

Built Material : Aluminum Alloy