HPA Bio Pure White Enhanced BBs 1kg Bottle (Various Weights) GBB Hopup and Units Optic NOT included

Optic NOT included

The bore tolerance is +-0

-Piston head condition and seal

4 gears in total

HPA Bio Pure White Enhanced BBs 1kg Bottle (Various Weights) GBB Hopup and Units Optic NOT includedOur High Power Airsoft Enhanced Biodegradable BB's are the world's only Bio BBs to be tested and confirmed biodegradable by an accredited U. S Laboratory. High Power Airsoft is the world's only true bio bb. Our High Power Airsoft Enhanced Biodegradable BBs are the world's only Bio BBs to be tested and confirmed biodegradable by an accredited U. S Laboratory. They have passed an intense quality control system. They conform to the EU EN13432 standard of