This package comes complete (and discounted) in the full M16 upgrade setup. The M16 is the US military designation for the family of rifles derived from the ArmaLite AR-15 and are the most produced firearm in it's caliber in the world! Used by all branches of the US Military as well as NATO and other major militaries around the world, it is one of the most popular 5.56mm assault rifle in existence. Too bad we don't sell them, but we can do the next best thing. At least now, you can have the looks of the M16 for your paintball gun!