From the FAQ
These types of bbs are air guns and NOT airsoft so logicaly you will want a forum or site that concentrate on these types of guns. Discussing them on airsoftcanada is likely to get you flamed. It's like talking about Honda cars on a Chevy truck forum.
Here are a couple that google (google is your friend) has provided.
You're on the wrong forum, we're about 6mm BB airsoft guns, not .177/.22 cal BB/pellet guns.