Full Tune Up Kit for SIG 551/552 (M100 Original cylinder/Enlarged Nozzle Set)

This kit contains these parts:

Bushing: [DF-CPO15]

Cylinder: [DF-CPC15]

Cylinder Head: [DF-CPC05]

Nozzle: [DF-CPN22p]

Piston: [DF-CPP19]

Piston Head: [DF-CPP14a]

Spring: [DF-CPS05]

Spring Guide: [DF-CPO06]

Tappet Plate: [DF-CPO31]