Daisy Pal BB gun at 5 years old. My grandpa bought it for me and taught me how a gun was to be treated. After 18 gazillion BB's I could shoot a soda can at 50 yards even with 2' of drop . My first deer was taken with a Winchester 94 the grownup version of my BB gun. My second deer(running) was taken 1 second later at 9 years old. Alot can be said for muscle memory.