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The barrel is turned from solid 1018 CRS 4-1/2 " diameter x 8-3/4" long with a bore of 2.630". There is a 1-1/2"X 1-1/2" powder pocket/breach with an 1/8" fuse/vent hole. The trunnion is 1-1/2" in diameter by 6-1/2" wide. The barrel is painted with flat black enamel. Weighs 23 pounds.

Coehorn Mortar/Soda-beer can Bore/Complete with Base