- New
AEG M4 Neptune 9.5" SEAL - Black [Rossi]
- Programmable Electronic Trigger with active Brake
- 16:1 CNC gears with High ROF
- Piston with Steel teeth
- Bushing with 8mm bearing
- QD metal spring guide with bearings
- Piston head with bearing
- CNC aluminium nozzle with oring
- 9.5" CNC Handguard