Anyone ever hear of a "rail gun"? These are current state-of-the-art in the unlimited benchrest class. The shooter stands next to it and releases the sear with a remote camera shutter thing on a cable. They never touch the rifle once the shot is aligned - they stand there and watch their wind flags. We see these at my club's range, being somewhat of an epicenter for benchrest enthusiasts. Many of our members have held world records in various classes at various distances.
Anyway, pretty cool stuff, but one might question its practicality: