Delta Armory 0.40g Diamond 6mm BIO BBs

If you're after heavy BBs but need them biodegradable, Delta Armory 0.40g Diamond 6mm BIO BBs are ideal. These 0.40g BBs are finely polished, with minimal tolerances of +/- 0.01mm and weight difference not exceeding 0.01g between BBs. Being made from biodegradable materials means these BBs are welcome at every outdoor skirmish site in the country and their hefty weight makes them perfect for sniper rifles, DMRs and setups with upgraded HOP-up parts. Supplied in a resealable 1KG bag containing approximately 2500 BBs, Diamond BBs are what you need if you're after a fantastic combination of affordability and quality, allowing your setup to perform at its best without breaking the bank!