Question: what is the difference in airsoft bb weight?
Answer: Airsoft BB Weight Airsoft BBs come in a few standard weights. The most common weights are 0.12 gram and 0.20 gram BBs. Other common weights are 0.25 gram, 0.28 gram, 0.30 gram, and up to 0.40 gram BBs. ... Heavier airsoft BBs, like 0.30 gram to 0.40 gram BBs, are designed for the highest flight stability and longest range.