16″ Tungsten Grey 15″ Window M-Lok Upper AR-15


Enhance your firearm collection with the 16”-15” Tungsten Grey Window M-Lok Upper. Shoot .223 and 5.56 rounds confidently, backed by military-grade accuracy and reliable performance. The button rifled barrel is nitride-coated for durability, ensuring impressive results.

Product price: $204.95
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16″ AR-15 Upper Tungsten Grey, 15″ Slim Matching Tungsten Grey M-lok Handguard Rail, Not Bolt Carrier Group

Get your hands on the 16”-15” Tungsten Grey Window M-Lok Upper. It’s the perfect addition to your gun collection – you’ll be confidently shooting both .223 and 5.56 rounds with military grade accuracy and reliability. Constructed with a button rifled 1×7 twist rate barrel, nitride coated for extended lifespan, this upper receiver will give you impressive performance.

The best part? USA made accessories are included in the set – dust cover, flash hider, forward assist and more! Experience superior designed quality thanks to Cerakote Gun Coatings’ finish of Tungsten Grey that provides a strong protective layer over this AR-15 upper receiver and M-Lok Rail system that allows accessorizing with parts from different suppliers across the country. Get yours now!

Features of the 16″-15″ Tungsten M-Lok Upper:

  • Tungsten Grey Upper and Handguard
  • Chamber – .223/5.56 M4 Feed Ramp (will shoot both 223 and 5.56)
  • Barrel Twist – 1 x 7 twist Button Rifled
  • Thread – 1/2″ x 28 rifle thread pattern
  • Barrel Steel 4150 with Black Nitride processed
  • Flash Hider – A2 Bird Cage Flash hider
  • Handguard – 15″ Tungsten Grey Slim Free Float M-lok Rail
  • Gas Block – .75 Low Profile Gas Block
  • Upper Receiver – Flat Top M4 Tungsten Grey Upper
  • Bolt Carrier Group – Not Included
  • Charging Handle – Not Included
  • Approx. Weight   6 LBS
  • Made in the USA
  • SKU: DT11-137


Daytona Tactical test fires every custom AR-15 upper to verify cycling. We do not guarantee cycling with all 5.56/.223 ammunition due to vast differences in the quality of ammunition. Will only warranty cycling with US made ammunition. We can not warranty cycling of the AR Upper with imported, steel cased or reloaded rounds.

Additional information

Weight 9 lbs


Barrel Length

Barrel Chamber

Barrel Twist

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Barrel Finish

Barrel Gas System

Gas Block Diameter

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Accessory Attachment Style



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