Back off with the piss-taking. We all had to learn sometime. Lurcher, the two calibres you are looking at to start with are .22lr and .17HMR. I, and I think most shooters, would say .22lr. It's a very versatile round, the most popular in the world. Can kill rabbits up to 120 yards but only if you are a really good shot. Think of it as a -100 yard gun. Rabbits, greys on the ground, crows and pigeons on the ground, even fox out to say 40 yards. Great fun for popping paper out of season. BUT! Don't even think about firing up into a tree! It can be lethal at 500 yards. Only ever shoot if you can s