like comment and subscribe its an custom V3 gearbox for my ASG (JG) G36C (SLV36) its still uses the stock motor but have upgraded UFC Spring Guide with Bearin Modify tune kit with - Plated Brass Cylinder - Stainless Cylinder Head - POM Air Seal Nozzle - Polycarbonate Piston Head - Polycarbonate Piston King arms M90 spring also the weapon is re shimmed for maximum efficiency
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