KIT includes: STD Air-cushion inner barrel 245mm, T-hop rubber 60°, GHK-AK HOP chamber.

More info: http: //www.taiwangaote.com/store/c6/TNT_-_CNC_Retrofit_kit_-_GHK_AK_GBB.html

NOTE: All TNT RETROFIT KIT products require DIY (Do It Yourself) skills - i.e. certain skills to assemble the product correctly.

If the TNT RETROFIT KIT is already installed in the gun, it cannot be returned.

Weight: 100g