Steyr HS .50 / HS .460 - Wikipedia

M107 .50 Cal Sniper Rifle Reaches Out

DVIDS - Images - M107 .50 Caliber Sniper Rifle [Image 7 of 14]

The Science of Lethal Precision: When I Fired the US Army's Best .50-Cal Sniper Rifle - Warrior Maven: Center for Military Modernization

This Polish-built 'SR-50M' Is Redefining Sniper Rifles for Modern Battlefields

Tennessee names the Barrett .50 caliber as the state's official rifle

The Barrett .50 Caliber

Soldiers practice using sniper skills to dispose of explosives

50 Caliber Sniper Elite® - General Dynamics Ordnance and Tactical Systems

Day of the sniper: The story behind 'the million-dollar shot

SA-50, Far Cry Wiki