COWCOW B01 Blowback Housing Drum Magazines and adds the simplicity of

and adds the simplicity of easier hop up tuning that closed bolt systems have traditionally offered

We suggest getting the optional Battery Extension Unit from Airtech Studios

Made out of aluminum

20g BBs ensuring safe limits on all fields

COWCOW B01 Blowback Housing Drum Magazines and adds the simplicity ofB01 Blowback Housing is precision CNC machined from aluminum 7075 for ultimate durability and quality. Weighing in at just 18 grams, this blowback housing will improve the cycling action as well as gas tranmission. Also, the special design on piston head can let the O ring always in prefect condition. It minimises the air leakage during the blowback action and the different sizes of anti oil O Ring provided can fit common used nozzles in the market.