A volume restrictor can be provided for a pneumatic paintball gun to reduce the volume of compressed gas available within a compressed gas storage area for a firing operation of the paintball gun. In one embodiment, the volume restrictor includes a body having a forward end and a rearward end. A forward...http://www.google.fr/patents/US20070068502?utm_source=gb-gplus-shareBrevet US20070068502 - Pneumatic paintball gun with volume restrictor