G-spec kit for Silverback SRS

I wanted a Gspec outer barrel for my airsoft SRS, but couldn't find one in stock anywhere. So I made this. The outer barrel (OB) will fit a FAST hop, and should fit an original one too but I haven't tested that. The muzzle end/handguard part (HDG) is threaded 24mm for the SRS suppressors.

NOTE: there is a section inside the receiver where the inner barrel is unsupported. If this bothers you, don't print it.

I printed this in PLA and have tested it at home, but not yet in a game. If you do that before I do, please send me some feedback in case improvements need to be made.