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Tippmann paintball products are widely regarded by hobbyists as one of the most reliable maker of paintball markers, with a dedication to high quality and durability on both ends of the price spectrum.  The Tipmmann 98 used in this experiment is over ten years old and functions perfectly with little servicing. It is an inexpensive marker, costing less than \$100, but reknown for its longetivity. longetivity \cite{Tippmann:2014}.