JBU

Hard Anodized piston head, aluminum construction. Includes bearing. Tests conclude velocity increase by about 10 FPS. JBU Light Weight Aluminum Piston Head Specifications: Reinforced aluminum...

Hard Anodized, aluminum construction. Tests conclude velocity increase by about 10 FPS. Will fit Version II gearbox JBU Reinforced Cylinder Head Version 2 Specifications: Manufacturer: JBU Model:...

Tappet plate delayer compatible with all Ver. 2 and Ver. 3 gearboxes! It can prevent BB feeding problems in the AEG and can improve performance. (Sold 1 piece)

The JBU M4/M16 Aluminum Nozzle is machined from high grade aluminum and is designed with a O-Ring for superior air seal. It provides smoother airflow and improved performance. JBU M4/M16 Aluminum...

JB Unicorn M120 Upgrade/Tune Up Kit Specifications: Manufacturer: JBU Model:  SDJA41 (M4 Series) SDJA42 (M16 Series) SDJA43 (AK47 / AK74) SDJA44 (AK-BETA Series) Includes: M120 Spring...

The JBU type 0 chrome plated full capacity cylinder offers smoother piston operation and increased FPS. JBU Type 0 Full Capacity Cylinder Specifications: Manufacturer: JBU Model: SDJA15 Material:...

The JBU type 2 chrome Plated 2 port cylinder offers smoother piston operation and increased FPS. JBU Type 2 Cylinder Specifications: Manufacturer: JBU Model: SDJA14 Material: Chrome plated copper

JBU "S" High Speed Motor, Long Type Motor for Version-2 Gearboxes. Recommended upto an M120 Spring for High Speed Firing. JBU "S" High Speed Motor Long Specifications: Manufacturer: JBU Model:...