the all new (Tiberious arms T4 marker) made for first strike paintballs

Email from Tyler @ Tiberius-

Dear, Customers
Air is in the mag, can use 12 grams or larger disposable threaded CO2 cylinders in the magazine. We also include a magazine that is set-up for remote air. The charging handle on the top alternates it between hopper feed and mag feed positions so you can run paint in the hopper and switch to First Strike in the mag. in a matter of seconds. Additional info should have just hit our site on 7/17/09...
http://tiberiusarms.com/t4_features.html
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