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.557 T-Rex rifle

Discussion in 'General Firearm Discussion' started by AndyH, Apr 14, 2010.

  1. AndyH

    AndyH Keizer, Oregon Well-Known Member

    Likes Received:
    All I can say is WOW!!!


    Older video but its new to me.

    A-Square, Inc., in .557 T-Rex (Tyrannosaurus Rex). The rifle fires a .557-inch diameter, 750-grain bullet at 2,450 feet per second from a 13.8-pound rifle. Muzzle energy is a whopping 11,000 foot-pounds.