.577 Tyrannosaur: Difference between revisions

577 Tyrannosaur
577 Tyrannosaur
	577 Tyrannosaur
Type	Rifle
Place of origin	United States
Production history
Designed	1993
Specifications
Case type	Rimless, bottleneck
Bullet diameter	0.585 in (14.9 mm)
Neck diameter	0.6135 in (15.58 mm)
Shoulder diameter	0.673 in (17.1 mm)
Base diameter	0.688 in (17.5 mm)
Rim diameter	0.688 in (17.5 mm)
Rim thickness	0.063 in (1.6 mm)
Case length	2.990 in (75.9 mm)
Overall length	3.710 in (94.2 mm)
Rifling twist	1 in 12 in (305 mm)
Primer type	Large rifle magnum
Maximum pressure	65,000 psi (450 MPa)
Ballistic performance
	Test barrel length: 26 in; Source(s): Alphin (1996)

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Revision as of 22:03, 20 March 2021

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 contains a .585-inch (14.9 mm) diameter 750-grain (49 g) monolithic solid projectile which when fired moves at 2,460 ft/s (750 m/s) producing 10,180 foot-pounds force (13,800 J) of muzzle energy.^[1] The production model from A-square is based on their Hannibal rifle.

References

^ ^a ^b Alphin, Arthur B. (1996). Any Shot You Want (First ed.). On Target Press. ISBN 0-9643683-1-5.

External links

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[Alphin-1] Alphin, Arthur B. (1996). Any Shot You Want (First ed.). On Target Press. ISBN 0-9643683-1-5.

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-The '''.577 Tyrannosaur''' or '''.577 T-Rex''' (14.9×76mm) is a very large and powerful rifle [[Cartridge (firearms)|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 as "stopping rifles" intended to stop the charge of dangerous game.  The 577 contains a {{convert|.585|in|mm|adj=on}} diameter {{convert|750|gr|sing=on}} monolithic solid projectile which when fired moves at {{convert|2460|ft/s|m/s|abbr=on}} producing {{convert|10180|ft.lbf|J}} of [[muzzle energy]].<ref name=Alphin>{{cite book | last = Alphin | first = Arthur B. | title = Any Shot You Want | edition = First |  year =1996 | publisher = On Target Press | isbn = 0-9643683-1-5 }}</ref>  The production model from A-square is based on their Hannibal rifle.
+The '''.577 Tyrannosaur''' or '''.577 T-Rex''' (14.9×76mm) is a very large and powerful rifle [[Cartridge (firearms)|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 contains a {{convert|.585|in|mm|adj=on}} diameter {{convert|750|gr|sing=on}} monolithic solid projectile which when fired moves at {{convert|2460|ft/s|m/s|abbr=on}} producing {{convert|10180|ft.lbf|J}} of [[muzzle energy]].<ref name=Alphin>{{cite book | last = Alphin | first = Arthur B. | title = Any Shot You Want | edition = First |  year =1996 | publisher = On Target Press | isbn = 0-9643683-1-5 }}</ref>  The production model from A-square is based on their Hannibal rifle.
 ==References==