The strongest metal racked piston we sell. The main body is made from a strong Dupont polymer material whilst the rack is CNC machined from hardened steel around HRC 60-62. The majority of airsoft piston racks are produced via a mold / cast with injected liquid steel and generally not as hard.
Teeth rail width: 5.8m
Piston body width (guide rail to guide rail): 21.7mm
Weight = 15g
Length = 67.2mm