Guarder Ball Bearings Spring Guide for Ver.7 Gearbox (M14) Category_Piston Head Dimension: 94(L) mm

Dimension: 94(L) mm

Field Strip mechanism is the same as the real steel

Bore-Up Enhanced Ventilation Piston Head

Tokyo Marui Government Mark IV Series 70

7 (Marui M14 Series)

Guarder Ball Bearings Spring Guide for Ver.7 Gearbox (M14) Category_Piston Head Dimension: 94(L) mmGUARDER 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