Versatility: They are available in a variety of calibers and sizes appropriate for shooters of all ages and sizes, and many of them are quiet enough to shoot in a backyard. They're Great for Learning: Because Air Guns are quiet and don't produce much recoil, they allow those new to firearms the opportunity to master the fundamentals of shooting. Cheap to Shoot: You can spend as little or as much on an airgun as you want, but the ammo is usually very cheap.