Originally Posted by pusangani
.25 is fine for caps
That's what I've been told by ILLusion, 0.25g BBs would work with my setup. I don't have an open class gun, and perhaps that's the reason why (because it doesn't chrony at 8000 fps). But I would really like to know why some people use 0.25g BBs and others use 0.28g BBs. What is the REAL difference between them?