Guarder Spring Guide with Bearing for Marui PSG-1 Manufacturer_KSC SIR System

SIR System

1x 30 rounds Shell

Dimension: 168(L) x 38(D) mm

(1) 26 rounds Magazine

Pistol sling swivel

Guarder Spring Guide with Bearing for Marui PSG-1 Manufacturer_KSC SIR SystemGUARDER Steel Spring Guide with Ball Bearing For Marui Airsoft AEG Gearbox Version IV 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