The Nitro Express (NE) series of cartridges are used in large-bore hunting rifles, also known as elephant guns or express rifles, but later came to include smaller bore high velocity British cartridges.
The .577 Nitro Express is a large-bore centerfire rifle cartridge designed for the purpose of hunting large game such as elephant. This cartridge is used almost exclusively in single-shot and double express rifles for hunting in the Tropics or hot climates in general and is a cartridge associated with the golden age of African safaris and Indian shikars.
The .375 H&H Magnum also known as .375 Holland & Holland Magnum is a medium-bore rifle cartridge introduced in 1912 by London based gunmaker Holland & Holland. The .375 H&H cartridge featured a belt to ensure the correct headspace, which otherwise might be unreliable, given the narrow shoulder of the cartridge case. The cartridge was designed to use cordite which was made in long strands – hence the tapered shape of the case, which, as a beneficial side effect also helped in smooth chambering and extraction from a rifle's breech.
.450 Nitro Express also known as the .450 Nitro Express 31⁄4-inch is a rifle cartridge designed for hunting dangerous game such as elephant, rhino, cape buffalo, lion, and leopard. This cartridge is used almost exclusively in double rifles for hunting in the Tropics or hot climates in general and is associated with the Golden Age of African safaris and Indian shikars.
The .240 Magnum Rimless Holland & Holland is a centrefire sporting rifle cartridge developed in English gunmakers Holland & Holland no later than 1919, primarily for use in hunting deer and plains game.
The .416 Remington Magnum is a .416 caliber (10.57 mm) cartridge of belted bottlenecked design. The cartridge was intended as a dangerous game hunting cartridge and released to the public in 1989. The cartridge uses the case of the 8 mm Remington Magnum as a parent cartridge. When the cartridge was released in 1988, author Frank C. Barnes considered the .416 Remington Magnum to be the "most outstanding factory cartridge introduced in decades".
The .475 No 2 Nitro Express is a British rifle cartridge developed by Eley Brothers in the early 20th century.
The .400 Jeffery Nitro Express or .450/400 Nitro Express 3-inch is a medium bore, bottlenecked, Nitro Express cartridge designed by W.J. Jeffery & Co in 1902, intended for use in single shot and double rifles.
The .333 Jeffery and .333 Jeffery Flanged are medium-bore rifle cartridges developed by W.J. Jeffery & Co and introduced in 1908.
The .318 Westley Richards, also known as the .318 Rimless Nitro Express and the .318 Accelerated Express, is a proprietary medium bore centerfire rifle cartridge developed by Westley Richards.
The .350 Rigby and .350 Rigby No 2 are proprietary medium bore rifle cartridges developed by developed by John Rigby & Company.
The .450 No 2 Nitro Express also known as the .450 Nitro Express 31⁄2-inch was developed by Eley Brothers in 1903.
The .400/350 Nitro Express, also known at the .400/350 Nitro Rigby, is a medium bore rifle cartridge developed by John Rigby & Company.
The .369 Nitro Express, also known as the .369 Purdey Nitro Express, is a centerfire, rifle cartridge developed by James Purdey & Sons and introduced in 1922.
The .450 Black Powder Express also known as the .450 31⁄4-inch BPE was a popular black powder cartridge in the late 19th and early 20th century.
The 10.75×68mm Mauser, also known as the .423 Mauser, is an obsolete rimless bottleneck centerfire rifle cartridge developed by Mauser and introduced in the early 1920s.
The .246 Purdey, also known as the .246 Flanged, is an obsolete centerfire rifle cartridge developed by James Purdey & Sons and introduced in 1921.
The .400/360 Nitro Express cartridges are a number of very similar, but not interchangeable, centerfire rifle cartridges developed by James Purdey & Sons, William Evans, Westley Richards and Fraser of Edinburgh, all at the beginning of the 20th century.
The .360 No 2 Nitro Express is a centerfire rifle cartridge developed by Eley Brothers and introduced in 1905.
The .375/303 Westley Richards Accelerated Express, also known as the .375/303 Axite, is an obsolete medium bore rifle cartridge.
