AAP-01 Recoil Spring Upgrade (Set of 4)

→ Reduced bolt cycle time
→ 4 different strengths

Stronger recoil springs made for the AAP-01 / AAP-01C. Improves bolt cycle time and increases rate of fire. Covered in durable gold zinc coating.

Comes as a set of 4 different strength springs:

• 120% recoil spring
• 150% recoil spring
• 180% recoil spring
• 210% recoil spring

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

• 1x 120% recoil spring
• 1x 150% recoil spring
• 1x 180% recoil spring
• 1x 210% recoil spring
• 1x spring holder