These Biodegradable Airsoft BBs are the best option if you want the highest quality bb at a bargain price. We recommend these for single-shot, bolt action airsoft sniper rifles . It's literally like shooting industrial grade diamonds out of your airsoft gun.These top performance BBs are specially conceived for mid- and long-range precision sniper play. They provide for the most accurate long-distance airsoft shooting at the highest shot velocities. They can be used with all AEG and GBB airsoft guns and rifles. Their precise and consistent specifications make them suitable for all types of airsoft cannons from standard types to the most precise customized equipment.