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"A-Square Line" www.ammo-one.com
577 Tyrannosaur
The 577 Tyrannosaur is the largest Proprietary Cartridge  
made to date. It was introduced in 1993 as an entirely Brand
New Cartridge. The 750 Grain Barnes Solid Projectile
moves at 2,460Feet per Second, to generate over 10,180 Foot
Pounds of  Energy.  Ouch!
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$29.95 per
Cartridge
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$39.95 per
Cartridge
577 Tyrannosaur
577 Tyrannosaur
Loaded
Inert, Dummy
Inert, Empty, Dummy
No Primer in Primer Pocket
Loaded, Rounded FMJ
Out of Stock
on order
someday ?
Out of Stock
on order
someday ?