Prometheus Inner Barrels

GBB 370mm Barrel for M4A1 MWS (6.00mm)

EG Barrel 370mm for M4A1MWS (6.03mm)

6.05mm Returner 363mm "Large Window"

6.05mm Returner 285mm AEG Inner Barrel 'Large Window'

Krytac AEG 6.03mm Inner Barrel 280mm CRB LMG

6.03mm Krytac AEG Inner Barrel 255mm for EMG Krytac FN P90

6.03mm AEG Inner Barrel 275.5mm NextGeneration HK416D

6.03mm AEG Inner Barrel 285mm MC51

6.03mm AEG Inner Barrel 433mm Type89 VSR-10 (AEG Fitting or VSR-10 Aero Chamber)

AEG Inner Barrel 6.03MM 229mm for Tokyo Marui MP5

6.03mm EG Barrel 363mm SOPMOD M4A1 SR16 SG551