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Drilling the TSX cavity for uniformity?

Discussion in 'Handloading and Reloading' started by GJgo, Feb 27, 2011.

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  1. ljnowell

    ljnowell Member

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    A 270 leaving a nearly dinner plate sized exit wound?
     
  2. GJgo

    GJgo Member

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    Another season under our belt, and some more on-game performance to report. My hunting buddy took a nice sized mule deer buck at about 100 yds with the 7mm-08 140gr TSX I load for him. I'd drilled the tips. It made a small entrance hole, vaporized the lungs, and passed through with a quarter sized exit hole. Bullet not recovered but expansion/ shock was obvious. The deer ran about 40 yds & piled up.

    Next I took this bull at 248 yds with my 300 WSM 180gr TSX w/ drilled tips. It punched past the ribs with a nickel sized entrace hole, made a big mess of the innards (COD laceration to the heart) and then punched out the other side with a small exit hole. The animal dropped where it stood in about 4 seconds. Looking at the holes I think it started expanding instantaneoulsy & then lost some petals on the way through. Possibly the drilling was a little too effective in this case..?

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    The one thing I have noticed about the TSX through-and-throughs is that the small holes on both sides don't tend to leave big blood trails the way that monster holes from lead core bullets do. If the holes are higher in the cavity it'll often not bleed externally at all. However, if you put the shock into the vitals it still gets the job done right away negating the need.

    Since full penetration is never an issue for me with the 180gr TSX I'm thinking of stepping down to the 165 gr for next year's hunt for a flatter trajectory. Might even try the TTSX again & skip all this drilling stuff. :)
     
  3. Steve H

    Steve H Member

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    GJgo

    Interesting thread. by any chance have you called Barnes and talked to them about this?
     
  4. helotaxi

    helotaxi Member

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    I thought that the cavity in the front of the TSX was "+" shaped once you get into lower section of the cavity.
     
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