Technical Specifications

Type	Sniper rifle
Country of origin	United States
Designer	Remington Arms
Designed	1966
Produced	1966–present
In service	1966–present
Wars	Vietnam War · Lebanese Civil War · Invasion of Grenada · Gulf War · War in Afghanistan · Iraq War
Used by	United States
Variants	M40A1 · M40A3 · M40A5
Weight	M40A1: 6.57 kg (14.48 lb) · M40A3: 7.5 kg (16.5 lb)
Length	M40A1: 1,117 mm (43.97 in) · M40A3: 1,124 mm (44.25 in)
Barrel length	635 mm (25 in) (1:12 right hand twist) · M40A1: Hart (6 lands and grooves) · M40A3: Schneider Match Grade SS No. 7 (6 lands and grooves)
Cartridge	7.62×51mm NATO
Action	Bolt action
Feed	5-round integral box magazine (M40, M40A1, M40A3) · 10-round removable box magazine (M40A5)
Muzzle velocity	777 m/s (2,550 ft/s) (w/175 gr. M118LR)
Range	800 meters/875 yards