SHS POM silent piston head with bearing

POM counter-pressure piston head in funnel design. The head is equipped with a ball bearing which reduces the resistance of the spring during cocking. A combination of spring guide and piston head with bearings is recomended. The spring is then seated freely with a smooth axial rotation, thus reducing the compression resistance to the minimum possible.

To secure the piston head against unintentional loosening during firing, we recommend using thread glue during assembly.