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12 Gram Air Cannon - the "M72 LAW Rocket"

This cannon uses a 1.5 inch diameter barrel and is charged with a single 12 gram co2 cartridge which is screwed in through the rear quick change adapter.  The overall length is about 30 inches.  the barrel is roughly 20 inches in length.  The pipe fittings are concealed in the rear pvc stock.  Only the valve handle and quick change adapter knob is visible.  This cannon can load from 10-30 paintballs in the cannon barrel and needs a packing wad to fire them out.  Range varies on firing and aiming method, but a typical cannon of this type can reach out to over 100 feet.  Velocity is about 200-220 fps.

You may purchase these plans from the cannon store.