MSR

MSR may refer to:

Science and technology

• Macrophage scavenger receptor, a receptor found in macrophages
• Magnetic stripe reader, a device used to read magnetic stripe cards such as credit cards
• M–sigma relation, in astrophysics
• Mars sample return mission, a spaceflight mission to return rock and dust samples collected on Mars
• Mirror self-recognition, in animals through the mirror test
• Molten salt reactor, an advanced nuclear reactor design

Computing

• Machine state register, a register used in PowerPC architectures
• Model-specific register, a feature in x86 processors
• Microsoft Reserved Partition, a space-management partition on a computer storage device
• Mining software repositories, a field that analyzes the rich data available in software repositories

Entertainment

• MSR Studios, a New York recording studio
• The Most Serene Republic, a Canadian indie rock band
• Metropolis Street Racer, a Dreamcast racing game
• Mid-season replacement, a television series that premieres in the second half of a traditional season
• Metroid: Samus Returns, a video game
• Mulder Scully Romance, the relationship of the main characters of the television series The X-Files
• March, Strathspey and Reel, common bagpipe tune set

Organizations and companies

• Market Street Railway (nonprofit), a historic preservation organization in San Francisco, California, U.S.
• Microsoft Research, the research division of Microsoft
• Mountain Safety Research, a US company specializing in outdoor equipment
• Mouvement social révolutionnaire, the French fascist party Revolutionary Social Movement
• Movimiento Social Republicano, the Republican Social Movement political party in Spain
• MSR - The Israel Center for Medical Simulation, Israeli institute for Simulation-Based Medical Education

Places

• Most Serene Republic, a title in the name of various countries
• Montserrat (ISO 3166-1 code)

Transportation

• EgyptAir (ICAO designator), an Egyptian airline
• Main supply route, a military operations supply route
• Market Street Railway (transit operator), a defunct company in California, U.S.
• Maserati, a luxury sports car company
• Michigan Shore Railroad, US
• Muar State Railway, a defunct railway formerly operating in the Johor Sultanate, British Malaya
• Mumbai Suburban Railway, India
• Muş Airport (IATA airport code), Turkey

Weapons

• Modern sporting rifle or AR-15 style rifle
• Modular Sniper Rifle, a sniper rifle produced by Remington Arms
• Magnum Sniper Rifle or Accuracy International Arctic Warfare, a bolt-action sniper rifle

Other uses

• Market Stability Reserve, a part of the European Union Emission Trading Scheme
• Milan–San Remo, an annual bicycle race
• Mortgage servicing rights, the rights to collect mortgage payments from a borrower for the benefit of the lender
• Meyer Shank Racing, an American auto racing team

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