Biodegradable bb's G&G 0.20 White 1kg bag bb's biodegradable Brand:G&G 5000u
Biodegradable bb's G&G 0.23 White 1kg bag bb's biodegradable Brand:G&G 4350u
biodegradable bbs g & g 1kg 0.25
This is one of best bio bb in the market gives very little error, is of precision and works well in precision barrels