Including 3 different sizes 9.5mm*2mm, 9mm*1.9mm & 9mm*2mm (inside diameter * cross section) black O-Ring.
The B01 Blowback Housing is compatible with Tokyo Marui Hi-CAPA / 1911 Series Airsoft GBB Pistols.
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
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.
*PS: Please note: installing parts / assemble /fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper installation / fitting. Fitting may be needed as the condition of each airsoft gun might be different. Regular maintenance is needed for all airsoft guns in order to keep it in good working condition and reduce wear out issue on parts.
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