- Steel Constructed Bolt Carrier
- Complete Drop-in Parts
- Roller Bolt End
- Without Forward Assists Type
- Compatible With CGS System M4 GBBR Airsoft Series
- Vendor CGS ( by CYMA )
- SKU CGS-SY-0004A-BK
Disclaimer: Upgrading airsoft guns require necessary skill & technique, manual modification is necessary, consult expertise if needed.
Buyer Notice: Airsoft Quality Standards
- Component Play: Minor wobble or shifting is normal.
- Cosmetic Variance: Slight surface scratches or dents may occur.
- Performance Standard: These characteristics do not affect product functionality.