SHS 8 Hole Double O-Ring Metal Piston Head Make your blaster air-tight and stronger with the SHS metal 8-hole piston head and get more FPS. CNC alloy for precision and a better longer longer-lasting gearbox, plus a double o-ring for better air compression. Specifications: Colour: random Product Weight: 13 g Package Dimensions: 6*4.5*1cm
