Double Bell V.2 replacement gearbox shell (M4/M16 series) pcp air tank FPS Range: ~340 FPS (measured

FPS Range: ~340 FPS (measured with

stronger foam

residue and shell fragments when withdrawn from the barrel

100% ultraviolet-proof PC lens protection

Material: Steel/Aluminum

Double Bell V.2 replacement gearbox shell (M4/M16 series) pcp air tank FPS Range: ~340 FPS (measuredFeatures: Durable metal construction Standard version 2 gearbox design Ball bearing bushings Factory direct OEM replacement part Compatibility: For Tokyo Marui, G&P, Matrix and other compatible M4 M16 Series Airsoft AEG Rifles (Modification may be required depending on brand and model) Gearbox Type: Ver 2, Full Metal Motor: Long Type (Not included) Manufacturer: Double Bell