Have killed quite a few with the 77gr TMK out of a 223. The last one being a busted up Mule deer at 303 yards.

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Quartering too- bullet entered about a 1/3rd of the way up behind the left leg and stopped poking out of the skin behind the ribs on the right side. Around 18-20 inches of penetration. He went about ten feet. It was the first TMK that hasn't exited.


Entrance-

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Exit and you can see the bullet sticking out-

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Have killed 75-80 deer with the 223 using Barnes TSX's, Federal Fusions and the identically constructed Speer Gold Dots, 77gr SMK's, Amax's, 77gr TMK's, etc, etc. All have worked fine, with the "tougher" bullets creating a smaller wound channel and consequently causing longer runs and less blood. or deer I prefer the terminal ballistics of the 77gr TMK and 75gr Amax.