16″ FDE .300 Blackout Upper with Slim 12″ Keymod


Upgrade your AR-15 with our 16-12″ FDE Blackout Upper, featuring a military-grade Flat Dark Earth upper receiver and a matching 12″ slim Keymod handguard. Coated with durable Cerakote for lasting resilience, it boasts a 4150 nitride processed barrel with a 1×7 twist for superior accuracy.

Product price: $204.95
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16″ .300 Blackout Upper Flat Dark Earth, No Bolt Carrier Group, 12″ Slim Matching FDE Keymod Handguard Rail

Our 16-12″ FDE Blackout Upper starts off with a military grade AR-15 upper receiver in Flat Dark Earth and has a matching 12″ Slim free float Keymod handguard rail. The AR Flat Dark Earth parts are coated with Flat Dark Earth From Cerakote Gun Coatings by a local Certified Applicator for a lasting strong finish on the AR-15 Upper and handguard. Along with those two parts it also comes with USA made accessories which include the following: a forward assist, dust cover, flash hider and barrel.  The blackout barrel is button rifled with a 1×7 twist rate and nitride coated giving the rifle barrel more accuracy and longevity. This Upper includes a Keymod Handguard rail system which will allow different accessory parts from manufactures across the country.

16-12″ FDE Blackout Upper Features are:

  • Flat Dark Earth Upper and Handguard
  • Chamber – .300 Blackout M4 Feed Ramp
  • Barrel Twist – 1 x 7 twist Button Rifled
  • Thread – 5/8 x 24 rifle thread pattern
  • Barrel Steel 4150 with Black Nitride processed
  • Flash Hider – A2 Bird Cage Flash hider
  • Handguard – 12″ 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: DT11-056


Daytona Tactical test fires every custom AR-15 upper to verify cycling. Although, we can not guarantee cycling with all .300 Blackout 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

Barrel Thread

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Barrel Finish

Barrel Gas System

Gas Block Diameter

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Accessory Attachment Style



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