The FPS ERGAL piston head is a great upgrade that will increase the efficiency of airflow through the cylinder. This piston head has ports on the front to push out the o-ring as it moves forwards, this ensures that all…
Xring Carbon fibre reinforced technopolymer piston head designed for high rof and to increase the silence of the aeg (XPAVPCF) 100% COMPATIBLE MARUI 100% MADE IN ITALY