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Bravo Company Manufacturing Standard 5.56 NATO Barreled Upper Receiver - FDE MCMR-13 - 14.5”

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The Bravo Company Manufacturing (BCM) Standard Upper Receiver is a complete upper assembly chambered in 5.56 NATO for AR-15 builds. The 14.5-inch barrel has a 1:7 twist and a government profile that offers a good balance between maneuverability and weight. The 1/2x28 threads allow attachment of your favorite muzzle device but comes standard with an A2 flash hider. The barrel is constructed from durable steel with a Manganese Phosphate finish for corrosion resistance, and the bore and chamber are chrome-plated for smooth operation. The 13” free-float M-LOK handguard, made from lightweight and tough 6061-T6 aluminum with an FDE finish, provides ample space for customizing your set-up with accessories. This upper receiver also includes a 3-inch Picatinny rail section and a BCM MCMR Sling Mount to get you started on building your ideal AR-15 rifle.


  • Chambered in 5.56 NATO
  • 14.5” government profile barrel, 1:7 twist
  • 1/2x28 threads and equipped with A2 flash hider
  • Steel barrel construction
  • Manganese Phosphate finish
  • Chrome bore and chamber
  • Mil-spec M4 feed ramps, hardcoat anodized
  • T-marked upper receiver
  • 13” MCMR-13 free float M-LOK handguard
  • 6061-T6 aluminum construction, FDE finish
  • Includes (1) 3" Picatinny Rail Section and (1) BCM MCMR Sling Mount
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Barrel CoatingManganese Phosphate
Barrel ContourGovernment
Barrel Length14.5
Barrel LiningChrome
Barrel MaterialSteel
BrandBravo Company Manufacturing
Caliber Gauge5.56 NATO
ColorFlat Dark Earth
FinishHardcoat Anodized
Gas System LengthMid-Length
Gas System TypeDirect Impingement
Handguard13 in Bravo Company MCMR M-LOK Rail
Muzzle DeviceA2 Flash Hider
Thread Pattern1/2 X 28
Twist Rate1:7
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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