4UAD 4UANTUM Friction Pro High-Performance GBB Bucking Grip Screws The FPS TPAE Piston Head

The FPS TPAE Piston Head is engineered for high-efficiency airflow management in AEG setups that demand consistent performance

Shims and installation guide (if applicable)

High-strength (permanent) thread locking compound

Formulated to fill micro-gaps and imperfections

Trusted by airsoft techs and builders across Europe for its quality and resilience

4UAD 4UANTUM Friction Pro High-Performance GBB Bucking Grip Screws The FPS TPAE Piston HeadThe 4UAD 4UANTUM Friction Pro High Performance GBB Bucking is engineered for Gas Blowback (GBB) pistols and rifles, offering exceptional hop up consistency and enhanced BB stabilization. Made with premium grade silicone material, this bucking delivers reliable hop up performance, helping improve range, accuracy, and groupings even under rapid fire conditions. The Friction Pro design provides increased friction contact with the BB for superior spin and