I've made some mods to Zak & Bakenbitz's SwagBoss.
The mods include a better shotgun trigger (pull with your pinky!), cheek rest, better stock (my standard curved stock), bolt mods, and a craptastic sight mount.

1. Mine.
2. The shotgun trigger (ask for internal pictures if you want)
3. How I connected the pin guide (lol, but it works)
4. Stock
5. Cheek rest (held in by blue clips)
6. Bolt mods
7. Sight mount

THE INSTRUCTIONS. BUILD IT HERE