REGULATOR PISTON BRASS (LONG) (20858) FX IMPACT M3-M4
FX’s New Regulator Long Rod – upgraded brass version including seating surfaces.
The total length of this rod is 16mm. Newest (second version) of the brass piston with no hole in side and a flusher sealing face.
Damage to the polymer face of this part is often a cause for regulator issues.
