US$ 104.99
KWA M4 SR12 Full Metal AEG with Extra Mag
Taflon Grease
14mm Negative Adaptor x 1
Power (Muzzle Velocity):
: GL-03-27
Guarder Bore-Up Cylinder Set for TM SIG-551/552 Category_Safety KWA M4 SR12 Full MetalThe Bore Up Cylinder Set needs with M120~M170 Spring. Include: Stainless Bore Up Cylinder Head Bore Up Air Seal Nozzle Bore Up Ventilation Piston Head Bore Up Chromium Plating Cylinder Material: S303 Stainless Steel Brass Polycarbonate Acetal Item No.: GL 03 30