Barrett Worlds Most Aqurate Highest Range Rifle
M82A1
Caliber: .50 BMG (12.7×99mm) and .416 Barrett (10.6×83mm)[19]
Operation: short recoil, semi-automatic
Overall length: 57 inches (145 cm) w/ 29 inch (73.7 cm) barrel or 48 inches (122 cm) w/ 20 inch (50.8 cm) barrel
Barrel length: 508 millimetres (20.0 in) or 737 mm (29.0 in)
Feed device: 10-round detachable box magazine
Sights: Flip up, optics vary by user preference
Weight: 30.9 lbs (14.0 kg) w/ 29 inch (73.7 cm) barrel or 29.7 lbs (13.5 kg) w/ 20 inch (50.8 cm) barrel
Muzzle velocity with 660 grain, 42.8 g projectile: 853 m/s (2,800 ft/s) with 400 grain, 26.0 g solid brass projectile: 990 m/s (3,200 ft/s)
Effective range: 1,800 m (5,900 ft)
Maximum Range: 6,812 m (7,450 yd)
Expected accuracy: Sub-MOA with match ammo
Unit replacement cost: $8,900.00 US
M82A2
Caliber: .50 BMG (12.7×99mm)
Length: 1,409 mm (55.5 in)
Barrel length: 737 mm (29.0 in)
Weight (unloaded): 14.75 kg (32.5 lb)
Effective range on equipment-sized targets: 2,000 m (6,600 ft)
Muzzle velocity: 900 m/s (3,000 ft/s)
Magazine capacity: 10 rounds
Unit replacement cost: $6,000
Status: Prototype seeing combat in Iraq
M107
Caliber: .50 BMG (12.7x99 mm)
Length: 1,448 mm (57.0 in)
Barrel length: 737 mm (29.0 in)
Weight (unloaded w/ scope): 12.9 kg (28.4 lb)
Magazine capacity: 10 rounds
Weight of magazine: 1.87 kg (4.1 lb)
Accuracy: 3 Minutes of Angle (MOA)
Muzzle velocity: 853 m/s (2,800 ft/s)
Effective Range: 1,829 m (2,000 yd)
Maximum Range: 6,812 m (7,450 yd)
XM500
Main article: Barrett XM500
Caliber: .50 BMG (12.7×99mm)
Length: 1,168 millimetres (46.0 in)
Operation: gas operated, semi-automatic
Barrel: 447 millimetres (17.6 in)
Weight: 11.8 kg (26.0 lb)
Feed device: 10-round detachable box magazine
M82A1

Operation: short recoil, semi-automatic
Overall length: 57 inches (145 cm) w/ 29 inch (73.7 cm) barrel or 48 inches (122 cm) w/ 20 inch (50.8 cm) barrel
Barrel length: 508 millimetres (20.0 in) or 737 mm (29.0 in)
Feed device: 10-round detachable box magazine
Sights: Flip up, optics vary by user preference
Weight: 30.9 lbs (14.0 kg) w/ 29 inch (73.7 cm) barrel or 29.7 lbs (13.5 kg) w/ 20 inch (50.8 cm) barrel
Muzzle velocity with 660 grain, 42.8 g projectile: 853 m/s (2,800 ft/s) with 400 grain, 26.0 g solid brass projectile: 990 m/s (3,200 ft/s)
Effective range: 1,800 m (5,900 ft)
Maximum Range: 6,812 m (7,450 yd)
Expected accuracy: Sub-MOA with match ammo
Unit replacement cost: $8,900.00 US
M82A2
Caliber: .50 BMG (12.7×99mm)

Barrel length: 737 mm (29.0 in)
Weight (unloaded): 14.75 kg (32.5 lb)
Effective range on equipment-sized targets: 2,000 m (6,600 ft)
Muzzle velocity: 900 m/s (3,000 ft/s)
Magazine capacity: 10 rounds
Unit replacement cost: $6,000
Status: Prototype seeing combat in Iraq

Caliber: .50 BMG (12.7x99 mm)
Length: 1,448 mm (57.0 in)
Barrel length: 737 mm (29.0 in)
Weight (unloaded w/ scope): 12.9 kg (28.4 lb)
Magazine capacity: 10 rounds
Weight of magazine: 1.87 kg (4.1 lb)
Accuracy: 3 Minutes of Angle (MOA)
Muzzle velocity: 853 m/s (2,800 ft/s)
Effective Range: 1,829 m (2,000 yd)
Maximum Range: 6,812 m (7,450 yd)
XM500
Main article: Barrett XM500

Length: 1,168 millimetres (46.0 in)
Operation: gas operated, semi-automatic
Barrel: 447 millimetres (17.6 in)
Weight: 11.8 kg (26.0 lb)
Feed device: 10-round detachable box magazine