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The .600 Nitro Express, the second most powerful African big-game rifle cartridge, has around 8,200 ft⋅lbf (11,100 J) of kinetic energy. This makes a 20mm Anzio rifle 5.85 times as powerful as a rifle chambered in .600 Nitro Express. The Anzio 20/50 has approximately 22,000 ft⋅lbf (30,000 J) of kinetic energy with an 800-grain (52 g) bullet.
20 mm caliber is a specific size of popular autocannon ammunition. The dividing line between smaller-caliber weapons, commonly called "guns", from larger-caliber "cannons" (e.g. machine gun vs. autocannon), is conventionally taken to be the 20 mm round, the smallest caliber of autocannon. All 20 mm cartridges have an outside projectile (bullet ...
Iron Beam uses a fiber laser to destroy an airborne target. Whether acting as a stand-alone system or with external cueing as part of an air-defense system, a threat is detected by a surveillance system and tracked by vehicle platforms in order to engage. [16] Iron Beam is expected to be operational by the end of 2025. [17] [18]
The Gyrojet is a family of unique firearms developed in the 1960s named for the method of gyroscopically stabilizing its projectiles. Rather than inert bullets, Gyrojets fire small rockets called Microjets which have little recoil and do not require a heavy barrel or chamber to resist the pressure of the combustion gases.
1,420 ft/s (430 m/s) 1,165 ft⋅lbf (1,580 J) Source (s): Barnes & Amber. The .40-65 Winchester (also called the .40-65 Winchester and Marlin) [1] was an American rifle cartridge. Introduced in 1887 for the Winchester Model 1886, and available in Winchester single shots and in the Marlin Model 1895, it was "a further effort to put more steam ...
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The Bofors 57 mm Naval Automatic Gun L/70 (Swedish: 57 mm sjöautomatkanon L/70 (57 mm SAK 70)), [1] [2] among other names, is a series of dual-purpose naval guns designed and produced by the Swedish arms manufacturer AB Bofors (since March 2005 part of BAE Systems AB), designed in the late 1960s as a replacement design for the twin barreled Bofors 57 mm Naval Automatic Gun L/60.
The .577 Nitro Express 3-inch [76 mm] is a conversion of the .577 Black Powder Express 3-inch, it fires a 750-grain (49 g) projectile at over 2,050 feet per second (620 m/s). This cartridge was to become the most popular of the three and a standard round for African elephant hunters in the early 20th century. [3]