Barrett M82

The Barrett M82, standardized by the U.S. military as the M107, is a recoil-operated, semi-automatic anti-materiel sniper system developed by the American Barrett Firearms Manufacturing company. Despite its designation as an anti-materiel rifle, it is used by some armed forces as an anti-personnel system. Wikipedia

Muzzle velocity: 853.1 m/s

Length: 48 in (120 cm) to 57 in (140 cm)

Feed system: 10-round detachable box magazine

Action: Recoil-operated; rotating bolt

Barrel length: 20 in (51 cm) to 29 in (74 cm)

Manufacturer: Barrett Firearms Manufacturing

Cartridge: .50 BMG.416 Barrett