Prometheus EG Barrel for Next Generation HK416D (275.5mm)
For Next Gen HK416D Airsoft Electric Gun (AEG)
High grade precision barrel at 6.03mm diameter for extra power and precision shooting
Choose this barrel to suit your AEG model
For custom upgrade user, you can choose a longer barrel
PROMETHEUS EG Barrel by LAYLAX (JAPAN)

NOTE: You can always choose a longer Barrel if you have a extended Outer barrel installed