Remington MSR

The Modular Sniper Rifle, or MSR, is a bolt-action sniper rifle developed and produced by Remington Arms for the United States Army. It was introduced in 2009, and was designed to meet specific United States Army and USSOCOM Precision Sniper Rifle requirements. The MSR initially won the PSR competition, and was called the Remington Mk 21 Precision Sniper Rifle in U.S. military service. However, it was then decided that the Mk 21 did not conform to SOCOM requirements at the time in 2018, and the program was re-competed with the Barrett MRAD selected in 2019 as the Mk 22 Advanced Sniper Rifle solution.

Remington MSR
Remington MSR
TypeSniper rifle
Place of originUnited States
Service history
In service2013–present
Used bySee Users
WarsGlobal War On Terror
Production history
ManufacturerRemington Arms
Unit cost$15,000
Produced2009–present
No. built5,150 planned
Specifications (22" barrel)
Mass13 lb (5.9 kg) (base rifle)
17 lb (7.7 kg) (complete)
Length36 in (91 cm) (stock folded)
46 in (120 cm) (stock extended)
Barrel length20 in (51 cm)

22 in (56 cm)
24 in (61 cm)

27 in (69 cm)

Cartridge
ActionBolt-action
Muzzle velocity
  • 1,002 m/s (3,290 ft/s) (.338LM)
  • 938 m/s (3,080 ft/s) (.300WM)
  • 890 m/s (2,900 ft/s) (.338NM)
  • 841 m/s (2,760 ft/s) (7.62 NATO)
Effective firing range1,500 m (1,640 yd) (varies on cartridge)
Feed systemDetachable box magazine:
  • 5 or 10 rounds (.338 Norma/Lapua, 7.62 NATO)
  • 7 rounds (.300 Win Mag)
SightsSchmidt & Bender 5–25×56 PMII
Leupold & Stevens Mark 4
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