PDI VSR-10 Precision Cylinder Set HD

Kit precision high durability for Tokyo Marui VSR-10 designed for use with 9mm diameter springs. Recommended to increase power. Kit contents: · Cylinder Precision (Precision Cylinder) · Head conical cylinder (Taper Cylinder Head) · Piston hard HD (HD-Piston) · spring guide (SP-Guide) - Cylinder Precision (Precision Cylinder) · Diameter inside: 22mm (tolerance: ± 0.