comes with copper plated 4.5mm rounds and a bunch of co2s
http://www.google.ca/url?sa=t&rct=j&q=tangfolo%20witness%201911&source=web&cd=1&ved=0CFoQtwIwAA&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DikCiN4NFbGY&ei=uvfbT4LiD-Sk6gHN4PmYCw&usg=AFQjCNEKHTx35K-_M7yAmcffMRQQg07_mA
price, lol
$200