I understand it's a show.............but for the deer to go down like that I wonder what all was hit.
Hard to know the angles and such, with different cameras.
Great shot, indeed. But with a 10mm at 55 yards and a RDS I would expect to make that shot. The RDS is very effective on a handgun hunting platform, I'd think-- provided you don't have a huge (8MOA) dot.
Get a Smith 10mm revolver and ream the cylinder for 10mm magnum.
Your 10mm rig is now IN deer legal (with the 10mm mag ammo).
You can still pop reg 10mm in it for chucks, pigs etc.