The Polycarbonate 15-Tooth Piston for Systema/A&K M4/M16 PTW from SHS is a precision-engineered internal upgrade designed for PTW-style AEG systems. Built for durability and consistent performance, it provides a reliable replacement for worn or stock pistons in Systema and A&K PTW-compatible platforms.
Manufactured from high-strength polycarbonate, this piston offers excellent impact resistance while maintaining a lightweight design for smooth and efficient cycling. The 15-tooth configuration ensures proper gear engagement and stable compression, supporting consistent air seal performance even under repeated stress.
Ideal for maintenance or performance upgrades, it is specifically designed for M4/M16 PTW-style systems requiring reliable and precise internal components.
Key Features
Polycarbonate 15-tooth piston for Systema/A&K PTW M4/M16 from SHS
High-strength, impact-resistant polycarbonate construction
Designed for PTW-style gearbox systems
15-tooth rack for precise gear engagement
Improved durability and smooth cycling performance
Direct replacement for compatible stock pistons
Keep your PTW system running reliably with a precision-made piston built for consistent performance and long-term durability.


