COWCOW Tech Diversify Guide Rod for Tokyo Marui M&P9 GBB Airsoft (Silver) SAI Diameter - 29mm

Diameter - 29mm

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Fully automatic rate of fire is 600 rounds per minute

Bore-Up Ventilation Piston Head  4

COWCOW Tech Diversify Guide Rod for Tokyo Marui M&P9 GBB Airsoft (Silver) SAI Diameter - 29mmDiversify Guide Rod is made by Stainless Steel material with CNC machined. It enhances the durability and reduces the friction by hard anodized finishing. The package was including an enhanced recoil spring and a pack of aluminum buffers which comprehensively optimise the cycling speed and stroke. There are 2 different tension zones (140% 120%) which improve the recoil control and make easier handling on blow back cycling. 3 blocks of buffers can let