7.5″ AR-15 Pistol FDE Upper 7 inch M-Lok with Windows Rail


Craft your ultimate AR-15 pistol with our 7.5″ FDE Upper featuring a 7 inch M-Lok windows rail. Precision-engineered in the USA, this Mil-Spec receiver pairs a 7.5″ 5.56 chambered barrel with 1×7 twist rate, ensuring accuracy and performance. The A2 flash hider and low profile gas block enhance control.

Product price: $219.95
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Flat Dark Earth 7.5″ AR15 Pistol Upper with 7″ Window M-Lok Handguard

Do you want to build the perfect AR-15 pistol? With a 7.5″ FDE Upper with 7 inch M-Lok windows rail, you can finally start your setup! This awesome piece of ballistic greatness offers unbeatable accuracy and performance for serious shooters who want percision like no other.

Built with superior craftsmanship and high quality materials, this Mil-Spec upper receiver is made in the USA from a 7.5″ 5.56 chambered barrel that features a fast 1×7 twist rate, phosphate coating and A2 flash hider to minimize blast flame when shooting. To improve your accessorizing options, it’s also outfitted with an M-Lok accessory attachment system and 1913 Picatinny rail section that allows you to mount additional equipment and customize your set up just the way you like it – making this upper as individualized as possible.

Don’t sweat over state laws either, because while building an AR-15 7.5″ pistol keep in mind all regulatory specifications and stick to them during the building process. Now go ahead – take home this reliable piece of engineering excellence today!

Specifications of 7.5″ FDE Upper Window M-lok:

  • Chamber – 5.56 , M4 Feed Ramp (Shoots both .223 and 5.56)
  • Twist Rate – 1×7
  • Barrel Thread – 1/2 x 28
  • Barrel Steel – Chrome molly stress relieved. Manganese phosphate
  • Flash Hider – A2 Bird Cage Style
  • Handguard on the 7.5″ AR-15 Pistol Upper – 7″ Flat Dark Earth Cerakote M-Lok
  • Gas Block – Low Profile Gas Block
  • Upper Receiver – Flat Top Upper
  • Bolt Carrier Group – Not Included
  • Charging Handle – Not Included
  • Made in the USA
  • SKU: DT12-122

Daytona Tactical test fires every custom 7.5″ AR-15 Pistol upper to verify cycling. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We’ll only warranty cycling with US made ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds.


Couples well with our 80% lower receiver in FDE

Additional information

Weight 10.1 lbs


Barrel Length

Barrel Chamber

Barrel Twist

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Barrel Finish

Barrel Gas System

Barrel Gas Block

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Accessory Attachment Style



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