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 ...

The .577/450 Martini–Henry is a black powder, centrefire rifle cartridge. It was the standard British service cartridge from the early 1870s that went through two changes from the original brass foil wrapped case (with 14 parts) to the drawn brass of two parts, the case and the primer.

2023年8月14日 · The Webley .577 Boxer revolver was a behemoth six-­shooter based on an early five-­shot Tranter. It was a handful weighing 2 pounds, 7.4 ounces. (Photo by Phillip Schreier) Surprisingly, the first centerfire self-­contained handgun round — that of Samuel Johannes Pauly — appeared in 1812 and predated the pinfire by many years.

.577 may refer to: .577 Black Powder Express, a black powder, centerfire round.577 Nitro Express, a rimmed metallic cartridge.577 Tyrannosaur, a type of cartridge developed by A-Square in 1993 for big game hunting in Africa.577/450 Martini–Henry, a black powder, centerfire round used by the British and British Empire militaries

577 NITRO EXPRESS. These 577 NE loads are made to original 100 grs. of cordite velocity specs, which is 2050 FPS with a 750 gr. bullet in 26-28 inch barrels, but ours are made with modern propellants. Like the 600 NE, the 577 NE is effective because of bullet diameter (.585 inch, the 600NE is .620 inch).

Among our premium selection, we present the 577 Nitro Express Ammo— a powerful and large-caliber cartridge primarily used for dangerous game hunting. It delivers tremendous stopping power and penetration, making it ideal for pursuits involving large and dangerous animals like elephants and Cape buffalo.

577 Nitro Express (3-Inch) - 750 gr. CUTTING EDGE BULLETS Flat Nose Solid (100 gr Cordite Equivalent - 2,050 fps/ME 6,977 ft-lbs) - 5 Round Box FREE SHIPPING - Purchase 12 or more boxes & get FREE SHIPPING!

The .577 Nitro Express is a rimmed cartridge in the Nitro Express series of big-game hunting ammunition. It is also known as the .577 Nitro Express 3" and there is a variant called the .577 Nitro Express 2.75".[2] The .577 is notable as the standard caliber of …

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.

The 577 Tyrannosaur , a.k.a. 577 T-Rex was the largest Proprietary Cartridge introduced in 1993 by the now closed A-Square Company as an entirely brand new Cartridge for the A-Squire rifle. The 750 Grain Full Metal Jacketed projectile moves at 2,460 Feet per Second, to generate over 10,180 Foot Pounds of Energy.