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2. Gunpowder - Wikipedia

   en.wikipedia.org/wiki/Gunpowder

   The term black powder was coined in the late 19th century, primarily in the United States, to distinguish prior gunpowder formulations from the new smokeless powders and semi-smokeless powders. Semi-smokeless powders featured bulk volume properties that approximated black powder, but had significantly reduced amounts of smoke and combustion ...

3. Black powder substitute - Wikipedia

   en.wikipedia.org/wiki/Black_powder_substitute

   Black powder substitutes are formulated to be a volume-for-volume equivalent of black powder, not an equivalent mass-for-mass (weight-for-weight). Black powder substitutes are measured by volumetric measurement techniques, not in grains on a scale, due to the difference in density compared to black powder.

4. Powder keg - Wikipedia

   en.wikipedia.org/wiki/Powder_keg

   A powder keg is a barrel of gunpowder. The powder keg was the primary method for storing and transporting large quantities of black powder until the 1870s and the adoption of the modern cased cartridge. The barrels had to be handled with care, since a spark or other source of heat could cause the contents to deflagrate.

5. .450 Black Powder Express - Wikipedia

   en.wikipedia.org/wiki/.450_Black_Powder_Express

   It was available in a number of loadings with bullets weighing from 270 to 365 grains (17.5 to 23.7 g), all driven by 120 grains (7.8 g) of black powder. [1] [3] The .450 Nitro for Black is the same cartridge loaded with mild loadings of modern smokeless powder, carefully balanced through trial to replicate the ballistics of the black powder ...

6. Atlas Powder Company - Wikipedia

   en.wikipedia.org/wiki/Atlas_Powder_Company

   Atlas Powder Company was an American explosives and chemicals company. It was one of the two companies that emerged out of a court-ordered breakup of the explosives monopoly of Du Pont Powder Company , [ 1 ] the explosives and gunpowder company founded by French-American chemist and industrialist Éleuthère Irénée du Pont de Nemours .

7. 8 bore - Wikipedia

   en.wikipedia.org/wiki/8_bore

   Comparison of .577 Black Powder Express, .303 British & 8 bore bullets The most common 8 bore cartridges used paper cases, much like shotgun shells, and true .835 in (21.2 mm) caliber projectiles. A larger version utilising a thin brass case was also available, although it fired .875 in (22.2 mm) projectiles, in reality making it a 7 bore.