OK what you need:
- PETG (available form Inf0rm3r)
- Hot-Glue and Gun
- Dremel or File
Ok, first off get your Maverick and take it apart and then take the turret out.
Now take the turret fully apart and take the AR's out.
Now get this part and cut it at the top where the hole is the largest, like the picture shows.
Now get your Dremel or file and sand down the little nubs.
Now measure the PETG tot he right size and then push the PETG into the holes and use some hot-glue to seal it all up.
Now do the other regular mods like the penny mod and Russian roulette mods and your done