Zero Upgrade Set M160 For Marui L96 Aws & Well Mb44xx Airsoftpro® (ap-3999)

BRAND AIRSOFTPRO®

ZERO upgrade set.
Durable and reliable.

Reinforced PISTON HYBRID.
CNC aluminum material.
Very small weight.
Teflon ring in center for less friction against cylinder.
Stainless steel back protects against corrosion.
Internal diameter of 13.3mm.

Reinforced SPRING GUIDE.
CNC steel material.
Outside diameter 9mm.
Coated zinc surface.
Designed only for more powerful springs.

Reinforced SPRING.
Model M160.
Resulting around 530 FPS.
The output FPS is also influenced by HOP UP & hop up rubber.
A better performance can be achieved with precision barrel & HOP UP.

Compatibility TOKYO MARUI AWS L96 & WELL MB44XX (MB4401/MB4402/ETC ...).

SPECIFICATIONS:
- External piston diameter: 19.7 mm
- Piston internal diameter: 13.4 mm
- Piston Length: 77.5 mm
- Piston weight: 30gr.
- Spring guide length: 69.30mm
- Spring guide diameter: 8.95mm
- Spring Length: 170mm
- External spring diameter: 12.8mm