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I'll be shooting a 26" heavy barrelled sniper rifle with a tactical scope that was designed for use with the 168 gr, Federal Match ammo.

I would recommend a sporter rifle and hoping for a closer shot. I can just imagine packing a varmint gun through the woods.
Proper placement is key not what premium bullet you use. Federal Fusion's or the Core-lokts I use are as good anyhow at a fraction of the cost IMHO. At least ever elk I ever shot was just as dead and didn't run off and die miles away, or hundreds of yards either.