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The typical 400-grain (26 g) bullet will have a sectional density of .338 for the .400 H&H Magnum vs. .330 for the .416 caliber cartridges. The .400 H&H Magnum shares the same caliber with several .400 cartridges from the turn of the 20th century such as the .400 Jeffery Nitro Express , the 405 Winchester and the series of .450/400 cartridges.
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.
The .450/400 2 3 ⁄ 8 inch Nitro Express was loaded with a 400 gr. RN bullet with 42 or 43 grains of cordite and was meant for use in newer rifles chambered for the .450/400 2 3 ⁄ 8 inch case as this loading generates greater pressure than the Black Powder Express versions of the cartridge.
The .450/400 2 3 ⁄ 8 inch Black Powder Express was loaded with a bullets from 210 to 270 grains (14 to 17 g) driven by 79 to 84 grains (5.1 to 5.4 g) of black powder. The .450/400 2 3 ⁄ 8 inch Nitro for Black was loaded with a jacketed 270 grain round nose bullet driven by 38 grains (2.5 g) of cordite.
He reported that an absolute maximum load of certain listed powders would push a 400-grain (26 g) bullet to 2,400 ft/s (730 m/s), thereby equaling (and perhaps exceeding) the performance of the .416 Rigby (presuming moderate temperatures and barometric pressures). Waters also reported that 400-grain (26 g) bullets could exceed 2,600 ft/s (790 m ...
The .400/350 Nitro Express was developed by John Rigby & Co by necking down the .400 Purdey and was introduced in 1899. That same year Rigby approached the engineers at Mauser to make a special Gewehr 98 bolt action to handle this cartridge, its introduction in 1900 was the birth of the magnum length bolt action, paving the way for such cartridges as the .375 H&H and .416 Rigby.
The .400 Whelen cartridge was developed by Colonel Townsend Whelen while he was commanding officer of Frankford Arsenal in the early 1920s. [2] The cartridge resembles a .30-06 Springfield case necked up to .40 caliber to accept bullets manufactured for the .405 Winchester .
The W.J. Jeffery & Co developed the .400 Jeffery NE from the .450/400 3-1 ⁄ 4-inch Nitro Express, following extraction problems with the latter cartridge.. The .450/400 3-1 ⁄ 4-inch NE was recreated by loading the old .450/400 3-1 ⁄ 4-inch Black Powder Express with cordite, transforming a low-velocity deerstalking cartridge into a genuine big-game hunting round capable of tackling even ...