AR-15 Upper Receivers
AR-15 Upper Receivers
Shop AR-15 upper receivers from Moriarti Armaments, designed for builders, upgrades, and replacement projects. Our selection includes stripped and assembled AR-15 upper receivers, offering compatibility with most standard mil-spec AR-15 components. Choose from forged upper receivers, billet upper receivers, and specialty designs to create a reliable foundation for your next AR-15 build. Whether you're replacing an existing receiver or starting a custom project, you'll find quality options engineered for dependable performance and precise fitment.
Will these AR-15 upper receivers fit my build?
Moriarti's AR-15 upper receivers are compatible with virtually all mil-spec AR-15 lower receivers and components. Always review the individual product specifications to verify compatibility before purchasing.
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Molon Labe Engraved Stripped AR-15 Upper Receiver – 7075-T6 Forged
Add a distinctive look to your AR-15 with this Molon Labe Engraved Stripped AR-15 Upper Receiver. Ma..
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Moriarti Armaments AR-15 Stripped Upper Receiver – Forged, Black Anodized
The Moriarti Armaments AR-15 Stripped Upper Receiver is the perfect foundation for your next AR-15 b..
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Moriarti Armaments Assembled M4 Upper Receiver with Port Door and Forward Assist
Upgrade your AR-15 with the Moriarti Armaments Assembled M4 Upper Receiver. Designed for superior pe..
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3 Pack - M4 Flat Top Upper Receiver - Stripped - Black Anodized
Machined from 7075 T6 forgings, this upper receiver features a mil-std 1913 rail for mounting optics..
AR-15 .458 SOCOM Flat Top Upper Receiver, Stripped
Upgrade your AR-15 build with the .458 SOCOM Flat Top Upper Receiver. Designed for large-bore calibe..
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AR-15 5.56/.223 Right-Handed Side Charging Upper Receiver - No BCG, Billet Aluminum
Upgrade your AR-15 with this Right-Handed Side Charging Upper Receiver, designed to provide a smooth..
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AR-15 5.56/.223 Upper Receiver Build Kit with Black Nitride BCG | Premium Mil-Spec Components
The AR-15 5.56/.223 Upper Receiver Build Kit with Black Nitride BCG is the ultimate solution for any..
AR-15 Billet Upper Receiver with Dust Cover & Forward Assist - Flat Dark Earth
Enhance your AR-15 build with this Billet Upper Receiver featuring a Cerakote Flat Dark Earth finish..
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AR-15 Flat Top A2 Carry Handle - Black, Mil-Spec Rear Sight
Elevate your AR-15 with this high-quality A2 Carry Handle, designed for precision and durability. Co..
-228x228.webp "AR-15 Slab Side Billet Upper Receiver | Choose Your Anodized Color")
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AR-15 Slab Side Billet Upper Receiver | Choose Your Anodized Color
.223 / 5.56 Cal / 300 / 9 /7.62x39 T6 6061 Billet 1913 Picatinny Rail Flat Top Man..
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AR-15 Stripped Raw Forged Upper Receiver - Flat Top, M4 Feed Ramp
Build your dream AR-15 with this Stripped Raw Billet Upper Receiver, designed for shooters who deman..
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AR-15/47/9/300 Stripped Upper Receiver - Choose Color
Upgrade your build with this high-quality, stripped upper receiver designed for AR-15, AR-47, 9mm, a..
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Billet AR-15 Upper Receiver – 6061-T6 Slick Side Black
Built for clean, lightweight AR-15 configurations, this Billet AR-15 Upper Receiver is precision-mac..
-228x228.webp "We the People Engraved Stripped AR-15 Upper Receiver – 7075-T6 Forged")
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We the People Engraved Stripped AR-15 Upper Receiver – 7075-T6 Forged
Give your AR-15 a distinctive patriotic look with this We the People Engraved Stripped AR-15 Upper R..
-228x228.webp "AR-15 5.56/.223 SIDE CHARGING UPPER RECEIVER WITH BCG - RIGHT HAND")
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AR-15 5.56/.223 SIDE CHARGING UPPER RECEIVER WITH BCG - RIGHT HAND
AR-15 5.56/.223 RIGHT HANDED SIDE CHARGING UPPER RECEIVER WITH BCG - Upgrade your AR with Moriarti A..
Luth-AR A2 Stripped Upper Receiver for AR-15, 223 Remington/556 NATO - Carry Handle
Elevate your AR-15 build with the Luth-AR A2 Stripped Upper Receiver. Crafted from high-quality 7075..
AR-15 LEO TakeDown Integrated Upper Kit – 7075 Billet Aluminum, Black
The AR-15 LEO TakeDown Integrated Upper Kit is the ultimate upgrade for AR-15 enthusiasts who want v..
AR-15 Non-Reciprocating Side Charging Billet Upper Receiver - Multi Caliber
Elevate your AR-15 platform with the Non-Reciprocating Side Charging Billet Upper Receiver from New ..