The .577 Tyrannosaur or .577 T-Rex (14.9×76mm) is a very large and powerful rifle cartridge developed by A-Square in 1993 on request for professional guides in Zimbabwe who escort clients hunting dangerous game. The cartridge is designed for use in "stopping rifles" intended to stop the charge of dangerous game.

The .577 Tyrannosaur, also known as the .577 T-Rex, refers to a large and extremely powerful cartridge. It measures 14.9×76 mm and was developed on request for professional hunting guides in Zimbabwe back in 1993 to be used in big game hunting.

2007年8月31日 · Purpose built to stop charging Rhinos, Hippopotami, and rogue elephants, it gained its name because it could indeed stop the biggest dinosaur – it’s the most powerful sporting gun in the world and shoots a 750 gr bullet at 2700 feet per second. The 13 pound gun has three mercury reducers—two in the butt stock and one in the forearm.

The .577 Tyrannosaur is among the most powerful sporting cartridges ever developed, producing over 10,000 ft/lbs of muzzle energy, a truly staggering number, and can handle any game on the planet.

2018年2月5日 · The .577 Tyrannosaur or .577 T-Rex is a very large and extremely powerful rifle cartridge developed by A-Square in 1993 on request for professional guides in Zimbabwe who escort clients hunting dangerous game.

The 577 Tyrannosaur or 577 T-Rex is a cartridge developed by A-Square in 1993 for professional guides that escort clients hunting dangerous game. The cartridge is designed for use in "stopping rifles": A rifle intended to stop the charge of dangerous game.

2022年9月14日 · The .577 Tyrannosaur, also known as the .577 T-Rex, refers to a large and extremely powerful cartridge. It measures 14.9×76 mm and was developed on request for professional hunting guides in Zimbabwe back in 1993 to be used in big game hunting.

2008年3月26日 · The A-SQUARE Hannibal 577 Tyrannosaur rifle is purpose built to stop charging Rhinos, Hippopotami and rogue elephants – it’s the most powerful sporting gun in the world and shoots a...

Ballistics and Drop for the .577 Tyrannosaur Cartridge Type: Height: 2.99" Width: 0.688" Average FPS: 2460 Average Energy: 10076 Average Gr: 750 Recoil: 8.31 *Casing image above is an artist rendering and not a real photo of .577 Tyrannosaur Ballistics cartridge.

Built by A-Square on a Remington P-14 action and chambered for the massive .577 Tyrannosaur. Matte blued barrel with brass beaded blade front sight, fixed white-line A-Square rear sight, and quick detach scope mounts.