The Tango 51 is a sniper rifle manufactured by Tactical Operations Incorporated. The rifle is based on a Remington Model 700 action and chambered for 7.62×51mm NATO/.308 Winchester caliber. The rifle is extremely accurate, with an accuracy guarantee of 0.25 minute of arc (which gives 0.2617 inch spread at a distance of 100 yards, or 7.3 mm spread in a distance of 100 meters). The Tango 51 was adopted by 400 SWAT and law enforcement agencies worldwide, include the Los Angeles County Sheriffs Special Enforcement Bureau (SEB). External links Tactical Operations Inc. company website Tactical Operations - Tango 51 The Tango 51 - Tack Driving Tactical Rifle from Tac Ops by Eugene Nielsen 7.62×51mm NATO rifles Sniper rifles of the United States Bolt-action rifles of the United States