Guarder Ball Bearings Spring Guide for Ver.7 Gearbox (M14) Category_Piston Head Bore-Up Enhanced Ventilation Piston Head

Bore-Up Enhanced Ventilation Piston Head

Foregrip & Grip / Full Metal Barrel & Side Rail

14mm Negative Adaptor x 1

- Aluminum Cylinder (Version 2/3 compatible)

Field Strip mechanism is the same as the real steel

Guarder Ball Bearings Spring Guide for Ver.7 Gearbox (M14) Category_Piston Head Bore-Up Enhanced Ventilation Piston HeadGUARDER Steel Spring Guide with Ball Bearing For Marui Gearbox Ver VII Airsoft AEG To build a tight & durable gearbox This reinforced Spring Guide replace the original Stock Spring Guide of Airsoft AEG This spring guide with Ball Bearing is designed to minimize the load for the motor caused by the spring tension Especially important for upgraded AEG to install this It also makes spring effectively spring back Backstop is specially equipped with Ball