First off I realize I am splitting hairs, however here goes. I am not a fan of the 243 win for deer, but after a lot of agonizing, I have bought a Marlin XS7 youth for my son. I intended to put as many odds in our favor as possible by using 100 gr Partitions. Brass has been hard to find so a friend gave me a couple hundred pieces and also a full box of Barnes 85 TSXs. Is there any downside to either, the TSX are lighter than I intended to use, but tend to penetrate a little deeper than partitions by what I have read. Is there any reason for me to not believe that they will work just as well as the Partitions?