Airsoft BBs are spherical projectiles used as ammunition in airsoft guns. Typically made from plastic, these 6mm pellets come in various weights and qualities, each affecting accuracy, range, and performance differently.
BB Weights
BB weight is measured in grams and significantly impacts performance:
- 0.12g: Very light, rarely used except in cheap spring pistols
- 0.20g: Standard weight for testing and casual play
- 0.25g: Popular all-around weight, good balance of speed and stability
- 0.28g-0.30g: Preferred for outdoor play and AEGs, better wind resistance
- 0.32g-0.36g: Used in upgraded AEGs and precision rifles
- 0.40g-0.43g: Heavy BBs for sniper rifles and high-powered guns
- 0.45g+: Specialty weights for extreme accuracy and range
BB Materials
Standard Plastic BBs
Most airsoft BBs are made from ABS plastic or similar polymers. These are durable, consistent, and suitable for most playing environments.
Biodegradable BBs
Made from PLA (polylactic acid) or similar materials, biodegradable BBs break down naturally over time when exposed to the elements. Many outdoor fields require their use to minimize environmental impact.
Tracer BBs
These BBs glow when shot through a tracer unit, making them visible in low-light conditions. They're popular for night games and create an exciting visual effect.
BB Quality Factors
- Seamless Construction: High-quality BBs have no visible seam, reducing air resistance
- Polished Surface: Smooth finish prevents barrel damage and improves accuracy
- Consistent Weight: Uniform weight across all BBs ensures predictable trajectory
- Perfect Spheres: Precisely round BBs fly straighter and farther
- No Air Bubbles: Internal defects can cause erratic flight paths
Choosing the Right BBs
Consider these factors when selecting BBs:
- Gun Type: Pistols typically use lighter BBs (0.20g-0.25g), rifles use medium weights (0.25g-0.30g), and snipers use heavy BBs (0.36g+)
- Playing Environment: Indoor fields can use lighter BBs, outdoor fields benefit from heavier BBs for wind resistance
- Field Rules: Some fields require biodegradable BBs or have weight restrictions
- Budget: Higher quality BBs cost more but improve accuracy and protect your gun
Storage and Care
Store BBs in a cool, dry place away from direct sunlight. Keep them in sealed containers to prevent dust and debris contamination. Never reuse BBs as they can damage your gun's internals.