Airsoft version 3 gearbox spring guide lock

This design allows your V3 gearbox spring guide to lock into place similarly to V2 gearboxes and using your stock/buffer tube! This design is primarily based around the Arcturus brand spring guide, however if you have a spring guide that does not sit flush to the back of the gearbox, this should work well!

Mine used a M5 x 6mm flat head hex screw, however I tried making it flat enough for other types.

I did have to file out a section of my airsoft AK dust cover due to conflict with the he