A Ukrainian Special Operations Forces sniper told BI the US-made Barrett MRAD made a huge difference.

Treyarch is mixing it up with different sniper rifles-think slow-firing heavy hitters and quick, snappy models-each tailored to different play styles but all packing that one-hit-kill potential.

Insider spent two days at the US Army Sniper Course inside the Fort Benning military installation near Columbus, Georgia, where we observed various classes at different stages of training.