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Moriarti AR-15 5.56/.223 Stainless Steel Diamond Fluted Tactical Upper Assembly Black 20in

Moriarti AR-15 5.56/.223 Stainless Steel Diamond Fluted Tactical Upper Assembly Black 20in

Moriarti · Upper Receiver

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Best price

$379.99at OpticsPlanet

In stock Sale checked Oct 12, 2026

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Where to buy

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OpticsPlanet $379.99Salechecked Oct 12, 2026 In stock Buy at OpticsPlanet

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Price history

Lowest in-stock price in the last 30 days: $379.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.

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Since Oct 12, 2026.

About this part

The Moriarti AR-15 5.56/.223 Stainless Steel Diamond Fluted Tactical Upper Assembly Black 20in is a 2E+1" 5.56 / .223 upper receiver from Moriarti. One store lists it, OpticsPlanet at $379.99. The lowest in-stock price in the last 30 days was $379.99 at OpticsPlanet.

Fits and works with

Caliber
5.56 / .223 · Shop matching ammo
Bolt
Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length
2E+1" · Handguards

Specifications

Manufacturer
Moriarti
Color
Black
Platform
AR-15
Caliber
5.56 mm NATO

From the manufacturer

Moriarti AR-15 5.56/.223 Stainless Steel Diamond Fluted Tactical Upper Assembly Black 20in. 56/.223 20 Stainless Steel Diamond Fluted Tactical Upper Assembly is a key component to consider when customizing your AR-15 rifle. CA and NY compliant. Specifications for Moriarti AR-15 5.56/.223 20in Stainless Steel Diamond Fluted Tactical Upper Assembly: Manufacturer: Moriarti Caliber: .223 Wylde Overall Length: 20 in Barrel Length: 20 in Barrel Profile: HBAR Contour Gas System Length: Rifle Length Barrel Twist Rate: 1-8 RH Handguard Type: Free-Float Muzzle Device: Muzzle Brake Color: Black Fabric/Material: 7075-T6 Aluminum Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Gun Rail: M-LOK Magazine Included: No Mount Type: M-LOK Features of Moriarti AR-15 5.56/.223 20in Stainless Steel Diamond Fluted Tactical Upper Assembly Barrel: The centerpiece of the assembly the barrel is crafted from stainless steel and comes in at 20 inches long. The barrel chamber supports both 5.56 NATO and .223 Remington rounds. The steel makes the barrel corrosion-resistant which significantly extends its service life. Diamond Fluting: The barrel has been diamond fluted. Fluting refers to the process of removing material from the barrel creating ridges. This design increases the barrels rigidity and assists in faster cooling during rapid fire. Gas System: The assembly has a rifle-length gas system. The placement of the gas block and tube greatly affect the firearm's recoil and cycle rate. Finish: Stainless steel offers not only excellent strength but also an elegant modern aesthetic. Handguard: A full-length handguard is generally provided usually featuring M-LOK rail systems for accessory attachment. The design may vary depending on the model. Package Contents: Moriarti AR-15 5.56/.223 20in Stainless Steel Diamond Fluted Tactical Upper Assembly Moriarti MAR-556-20DMD-15: AR-15 5.56/.223 Stainless Steel Diamond Fluted Tactical Upper Assembly Black 20in

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$379.99 at OpticsPlanet
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