Vorsk Bio-BBs 0.28g in 3600 rounds are biodegradable, 6mm airsoft BBs known for their high precision (±0.01mm tolerance) and triple-polished finish, ideal for tightbore barrels and guns with higher FPS (300-400fps) for better wind penetration and outdoor performance, offering a balance of weight and speed, available in standard and tracer (red/green) versions. 
Key Features:
Brand: Vorsk
Weight: 0.28g (good for mid-range AEGs/upgraded rifles)
Quantity: 3600 rounds per bottle
Type: Biodegradable (ISO 14855-1 compliant)
Diameter: 6mm (perfect for tightbore barrels like <6.03mm)
Finish: Triple-polished for smoother flight
Tolerance: ±0.01mm for consistent feeding and accuracy
Variants: Also available as tracers (red/green)