The one and only TRUE COLORS THUNDER-MUG. Built from a solid 1144 steel stock bored 1-1/4" ID 2.5" OD X 4.25" tall with 4" base and 1/8" fuse hole. You want a BOOM! This cannon is very favorable to the big daddy slightly smaller in scale with snazy colors and square base welded to bottom!!
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The medium thundermug is machined to spec. 2.5" OD 1.5" ID X 4.25" tall with 4" base and 1/8" fuse hole. Use black powder. ONE QUALITY PIECE.
1144 (Stressproof-equivalent) steel
This material is actually pretty cool, at least for steel. It is a higher-strength alloy than 1018 or A36, but in addition has improved ductility as well. The chief feature of 1144 steel, however, is that it has very low distortion or warpage after machining due to a combination of its chemistry, method of manufacture, and heat treatment.