CowCow B01 Hi-Capa Dynamic BlowBack Unit - Black Tool - Perfect and capable the

- Perfect and capable the needs for competition

Attach the AEG buffer tube of your choice onto the adapter and tighten it until snug

Re-designed entrance shape for better fitting with nozzle

- Better grip on your Hi-capa

CowCow B01 Hi-Capa Dynamic BlowBack Unit - Black Tool - Perfect and capable theB01 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.