Go ultra-light without sacrificing performance. The Moriarti AR-15 5.56/.223 16" Pencil Profile Upper offers a premium, streamlined build perfect for your next featherweight AR project. Designed for mobility and precision, this upper is engineered for quick target acquisition and all-day carry comfort.
Built around a pencil-contour 4150 CMV barrel and paired with a 12” slim M-LOK rail, this upper delivers optimal heat dissipation and modularity. The midlength gas system offers smoother recoil and improved reliability over carbine setups.
Key Features:
Upper Receiver:
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Type: A3 Flat Top
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Material: 7075-T6 Aluminum Forgings
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Coating: Mil-Spec Black Hardcoat Anodized
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Features: Forward Assist, Dust Cover, M4 Feedramps
Barrel:
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Length: 16"
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Profile: Pencil / Lightweight Contour
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Chamber: 5.56 NATO
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Twist Rate: 1:7 RH
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Material: 4150 CMV Steel, Button Rifled
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Threads: 1/2x28 with A2 Flash Hider
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Feedramps: M4
Gas System:
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Type: Midlength
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Gas Block: Low Profile .625", Steel, Hardcoat Anodized
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Gas Tube: Stainless Steel
Handguard:
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Type: 12" Slim Free-Float
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Interface: M-LOK
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Material: Aircraft-grade Aluminum
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Finish: Black Hardcoat Anodized
Note:
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Bolt Carrier Group (BCG) and Charging Handle are not included.
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Compatible with virtually all AR-15 standard mil-spec lower receivers.
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Ideal for lightweight builds, range rifles, or entry-level carbines.
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Looking for a full kit? Check out Moriarti AR-15 16” Rifle Kits
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