Tridos AAP-01 Nozzle Return Spring Upgrade (Set of 4)

→ Improved feeding and reliability
→ 4 different strengths

Stronger nozzle return springs made for the AAP-01 / AAP-01C. Improves feeding and reliability of the pistol. Covered in durable gold zinc coating.

Comes as a set of 4 different strength springs:

• 145% nozzle return spring
• 200% nozzle return spring
• 280% nozzle return spring
• 360% nozzle return spring

⚠ There is no clear guidelines on which strength you should use! Each build might require a different strength depending on the bucking, rate of fire, nozzle and bolt assembly.