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

This kit contains these parts:

• Bushing: [DF-CPO15]
• Cylinder: [DF-CPC15]
• Cylinder Head: [DF-CPC02]
• Nozzle: [DF-CPN11p]
• Piston: [DF-CPP19]
• Piston Head: [DF-CPP14a]
• Spring: [DF-CPS05]
• Spring Guide: [DF-CPO06]
• Tappet Plate: [DF-CPO31]