B01 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. It can effectively cease that slight wobbling during the nozzle movement.

COWCOW Technology B02 CNC 7075 Aluminum Dynamic Blowback Housing for Tokyo Marui Hi-Capa 5.1 GBB (Silver)
Aluminum material with CNC machined
Ultra lightweight design
Durable construction prevents flexing and warping under hard use
Provide stable and smooth blowback cycling
Available in Black and Silver
Compatible with Tokyo Marui Hi-CAPA / 1911 Series Airsoft GBB Pistols.

The screw for the piston is default loosen when packaging. User needs to tight up for installation.

Strong Screw glue is needed for installation. Use a drop of screw glue when installing the screw and wait for it to dry out overnight. Damage could be caused to the screw thread if screw glue was not used.