You need a replica, eye protection, a way to carry mags, and BBs — that's it to start. The Entry-Level Kit has the bare minimum for about $290, shipped from one store.
Airsoft is played at dedicated fields with safety rules and refs. Find one close to home — most run walk-on games on weekends, no team needed.
Anyone who opens this link gets your exact build loaded in the app.
This becomes a real shareable link once the web app is deployed — on this test build it points at the local address.
Every item you just bought drops straight into My gear — then you can share it, and friends can buy the same setup in one tap.