6 Inch Premier Pyrotechnics Display Fireworks Shells in HDPE Mortars,Wood Racks. You can see some 5 inch in the background. To give this picture some scale... the cross memebers of this wood rack are made from 2 X 4 lumber. The inside diameter of this gun is 6 inches and about 38 inches tall. A six inch shell lifts to about 350 feet.
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