Big mule deer buck vs 300 win.mag. 

Probably the most realistic use for a 300win mag vs other videos ive seen where people use it on white tails within 100yrds and blow their meat out.

What grain were you using?

Good shot

I normally drop my whitetail with my 270win around 465yards hand loads...and still clean through

Would have thought The deer would have fallen quicker. 300 wm has tons of energy at that distance still.