4UAD 4UANTUM Friction Pro High-Performance AEG Bucking Midcap Double internal O-rings for excellent

Double internal O-rings for excellent air seal and stable compression

Made in Italy by FPS Softair — trusted for high-quality airsoft components

Drop-in or minor fitting depending on frame tolerances

The Maxx Model CNC Aluminum Advanced Speed Trigger (Style D) in Blue is engineered for competitive performance

4UAD 4UANTUM Friction Pro High-Performance AEG Bucking Midcap Double internal O-rings for excellentThe 4UAD 4UANTUM Friction Pro High Performance AEG Bucking is designed for maximum hop up consistency and superior BB stabilization. Engineered for serious airsoft players, this bucking provides enhanced friction contact with BBs, resulting in highly stable hop up performance, increased range, and precision shot grouping. Manufactured with premium grade silicone material, the Friction Pro bucking offers excellent elasticity and durability, maintaining