They are painted steel bearings. Reminds me of joke: painted all the rocks in my garden white - now lets see them kids try and start a snowball fight this winter...
Airsoft Forums UK
Monty
8mm?
SeniorSpaz87
6mm. Only 40 in a pack costing $16... Better make those shots count!
https://www.airsoftatlanta.com/collections/bb-ammo/products/0-69g-deathzone-40-count-white-bio-bbs
https://www.airsoftatlanta.com/collections/bb-ammo/products/0-69g-deathzone-40-count-white-bio-bbs
