CowCow B01 Hi-Capa Dynamic BlowBack Unit - Silver Tokyo Marui VSR Perfect fit with the spring

Perfect fit with the spring guide stopper for a solid hold

Alternative adapters are available separately

This Hi-Capa holster uses the slides ejection port and a sliding trigger guard lock to securely keep your pistol safe and easy to reach for when you need it

Much more reliable than OEM part

The vale pin lock is more durable and stable than the traditional design

CowCow B01 Hi-Capa Dynamic BlowBack Unit - Silver Tokyo Marui VSR Perfect fit with the springB01 Blowback Housing is precision CNC machined from aluminium 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.