.577 Tyrannosaur

American rimless rifle cartridge 577 tyrannosaur.png 300px 577 Tyrannosaur 577 Tyrannosaur Rifle United States 1993 Rimless, bottleneck 0.585 0.6135 0.673 0.689 0.688 0.063 2.990 3.710 1 in 12 in (305 mm) 65000 Large rifle magnum 750 Monolithic solid 2480 10240 26 in Alphin (1996) 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 cartridge contains a .585 in mm on diameter 750 gr on monolithic solid projectile which when fired moves at 2460 ft/s m/s on producing 10180 ft.lbf J of muzzle energy.Alphin Arthur B. Arthur Alphin Any Shot You Want: The A-Square Handloading and Rifle Manual First 1996 Bedford, Kentucky On Target Press. 624 pp 0-9643683-1-5 The production model from A-square was based on their Hannibal rifle. A-Square is defunct as of 2012. References External links Video of Arthur Alphin talking with David Petzal about the A-Square .577 T-Rex Category:Pistol and rifle cartridges