.177 BBs are classic spherical pellets that have been a staple in the airgun world for decades. This guide focuses on these small, typically steel balls measuring 4.5mm in diameter. Discover why .177 BBs remain popular for plinking, recreational shooting, and as a low-cost training option. Learn about their smooth flight characteristics and ricochet potential, which makes them ideal for certain shooting gallery setups but less suitable for hunting or pest control. Explore the advantages of BBs, such as their affordability and compatibility with many air rifles and pistols designed for both BBs and traditional pellets. Get insights on selecting the right BB-compatible airguns and understand the importance of proper safety measures when shooting these spherical projectiles.