We get so many questions regarding BBs, “what size should I use”, “can I reuse them”, “what is the best kind”, and so forth. There is a section of Airsoft University that is dedicated to just BBs. These small round pellets are an expensive investment for your airsoft guns, but bear in mind that buying low cost BBs can damage your gun in the long run. If you’re not using the right type of BB for your gun, it can result in costly repairs in the future.
The BBs section goes over all the improper ways to use and load BBs. Such as never loading deformed BBs, never reusing BBs, low weight BBs, etc. There are diagrams and pictures that show you what a bad BB looks like. Always exam BBs when purchasing them at a sporting good store. Sometimes the packaging can say “high quality” or “high precision”, but they are actually low quality