Airsoft Outer Barrel M4-M16 Short+Extender+Silencer_Thread.stl

This is two setup outer barrel, short barrel + thread for silencer and if you want a longer outer barrel you can print the extender which has the thread for silencer as well.

Outer Barrel M4-M16 Extender_235mm.stl

Outer Barrel M4-M16 Base_245mm.stl