BLS is the in-house brand of a Taiwan-based BB manufacturer that produces a large share of the airsoft BBs sold around the world as an OEM supplier, with the products being sold to customers under various brand names. BLS has been manufacturing airsoft BBs since 1991, making it one of the largest producers of airsoft BBs in the world. Its advanced manufacturing methods allow it to produce BBs ranging from 0.12 g all the way up to 0.50 g
