Biodegradable Ball, Cal 6 mm, weight 0.30 grams.
1 kg of balls to practice Airsoft Biodegradable, gauge 6 mm, with a weight of 0.3 grams. each ball with an accuracy of 5.95 mm. New generation of high precision BBs. Maeriales balls made with biodegradable and not harmful to the environment in any case.