We`re pleasure to present you an innovated product that players can turn A.E.G to G.B.B just replacing by GHK`s GBB BOX kits. It`s compatible for M4 & M16 series A.E.G.( 2nd generation Box).
> Cost effective.
> Gasification efficiency.
> Suits for low temperature environment.
>Package includes GBB box kit, hop up, and a magazine
Here’s the testing clip:
More details you can find at http://www.ghkairsoft.com