Thingiverse
Nerf Trilogy Shell for Triple 17/32 Brass
by Thingiverse
Last crawled date: 5 years, 8 months ago
I dont actually know how a trilogy works, so theres a possibility this wont even work unless you modify the plunger for more air flow. With the trilogy, you wont be able to extent these barrels further than the shell, or it wont eject.