16″ FDE 5.56 Upper 15″ Keymod Handguard


Enhance your AR-15 with our 16″ FDE 5.56 Upper, featuring a 15″ Keymod handguard for versatile accessory mounting. Coated in durable Flat Dark Earth Cerakote, this Mil-Spec upper includes a 4150 steel, nitride-coated barrel with a 1×7 twist for superior accuracy. Ideal for .223/5.56 rounds, it’s a top choice for custom builds. Note: BCG and Charging Handle not included.

Product price: $204.95
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16″ AR-15 Upper Flat Dark Earth, No Bolt Carrier Group, 15″ Slim Matching FDE Keymod Handguard Rail

Our 16″ FDE 5.56 Upper with 15″ Keymod handguard has all FDE parts coated in Flat Dark Earth From Cerakote Gun Coatings by a local Certified Applicator for a lasting strong finish on the AR-15 Upper and Keymod Handguard. It comes with AR-15 upper receiver that is military grade and also USA made part accessories that include a forward assist, dust cover, flash hider and barrel. The barrel is nitride coated for accuracy and longevity and it button rifled at a 1×7 twist rate. This upper will shoot 5.56 and .223 and has an xtruded aluminum 6061 T6 Machined AR-15 Keymod handguard rail system that allows it to accept different parts from manufactures across the US.


  • Flat Dark Earth 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″ Flat Dark Earth Slim Free Float Keymod Rail
  • Gas Block – .75 Low Profile Gas Block
  • Upper Receiver – Flat Top M4 Flat Dark Earth Upper
  • Bolt Carrier Group – Not Included
  • Charging Handle – Not Included
  • Approx. Weight – 4 pounds
  • Made in the USA
  • SKU: DT11-084


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


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Barrel Chamber

Barrel Twist

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Accessory Attachment Style


1 review for 16″ FDE 5.56 Upper 15″ Keymod Handguard

  1. 5 out of 5

    The Goot

    My Daytona tactical key mod flat dark earth 556 upper is nothing short of amazing! The quality is outstanding! the accuracy is amazing The quality of the build is also amazing! It’s so hard to believe that it costs so little for such amazing workmanship and quality! I’ve literally never had one malfunction from day one. Daytona tactical is absolutely the best! I will definitely be buying more of these in different colors!

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