Marines train with .50 caliber sniper rifles up to 1,400 yards

Marines with 1st Light Armored Reconnaissance Battalion train for the first time with the M107 Special Application Scoped Rifle, a .50 caliber sniper rifle a

Are 50 cal sniper rifles used by the military in deserts or dusty areas? Would the recoil create a giant dust cloud obscuring the vision of the Sniper and revealing their position?

What would be the best sniper rifle for a 1500 yard shot? - Quora

The Marine's New Sniper Rifle Can Kill from Over 1,000 Yards Away

Marine Snipers are Getting New Mk 13 Rifles & Possibly New Optics

A story of .50BMG Shooting at distance back in the early 90`s

50 Beowulf: The Engine-Block Killer With an Epic Name

Barrett MRAD: Hands-on with the US military's new favorite sniper rifle

Could a sniper rifle be effectively used as a hunting rifle? - Quora

Every Gun Currently Used by the US Military - 24/7 Wall St.

3,540 Yards of Distance Can't Save You from the TAC-50 Sniper Rifle

Marine Corps New Sniper Rifle, Page 2

Barrett's MRAD will be the Army and Marine Corps' new standard sniper rifle

Alpine 120mm USMC Sniper, by Blair Stewart