BBs are plated with zinc, but they have an even, thick and solid surface without gaps or breaks to prevent rust from forming.
They're made to higher specs:
- .177CAL
 - 5.1 GRAINS
 - ZINC-PLATED STEEL BBS
 - 250 COUNT
 
      BBs are plated with zinc, but they have an even, thick and solid surface without gaps or breaks to prevent rust from forming.
They're made to higher specs: