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The early express cartridges used a heavy charge of black powder to propel a lightweight, often hollow point bullet, at high velocities to maximize point blank range. Later the express cartridges were loaded with nitrocellulose-based gunpowder, leading to the Nitro Express cartridges, the first of which was the .450 Nitro Express. [2]
The unveiling of the .450 Nitro Express by John Rigby & Company in 1898 heralded the beginning of the modern big-game cartridge. Created from loading the already popular .450 Black Powder Express with cordite, the .450 NE was a fast and accurate cartridge capable of taking all African and Indian dangerous game.
The .577 BPE originated around 1870 with the 2 1 ⁄ 2-inch variant. [1]The 3-inch cartridge has survived to the current day as the .577 Nitro for Black, the same cartridge loaded with mild loadings of modern smokeless powder, carefully balanced through trial to replicate the ballistics of the Black powder version.
The .500/450 No. 1 Black Powder Express was a rimmed, bottlenecked cartridge designed for use with black powder. The cartridge was originally designed as a deer stalking round with a 260 gr (17 g) bullet, although later a 530 gr (34 g) loading was produced for target shooting. [1] [2]
The .500/450 Nitro Express is a rimmed bottlenecked cartridge designed for use in single-shot and double rifles. It is based on the old black-powder .500/450 Magnum Black Powder Express . It fires a .458-inch (11.6 mm) 480-grain (31 g) projectile at over 2,175 feet per second (663 m/s).
It has a network that includes five separate logistics corporations, namely AAI Worldwide Logistics Inc., A2Z logistics Inc., Black Arrow Express, AAI+Peers, and AAI Charity. AAI Group's main base of operations is in Metro Manila, Philippines, with facilities for warehousing, distribution hubs and equipment pools throughout the country. [1] [3]