Upper Receivers

AR 15 Upper Parts - Looking for AR 15 Upper Receivers? You've found Moriarti Armaments, home of the best AR parts selection and prices every day. 

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  •  AR-15 Stripped Billet Upper in Red
    DUE TO A HUGE INCREASE IN ORDERS - PLEASE EXPECT AT LEAST 10 DAYS BEFORE YOUR ORDER SHIPS. YOU WILL RECEIVE A TRACKING NUMBER ONCE WE GET YOUR ORDER OUT THE DOOR. .223 / 5.56 Cal T6 6061 Billet  1913 Picatinny Rail Flat Top Manufactured From Solid Block Of Billet Aluminum M4 Fee..
    DUE TO A HUGE INCREASE IN ORDERS - PLEASE EXPECT AT LEAST 10 DAYS B...
    $149.95
  • AR-15 5.56/.223 Upper Receiver Build Kit with Black Nitride BCG
    AR-15 5.56/.223 Upper Build Kit with Black Nitride BCG provides a great replacement kit for all your upper receiver needs. The kit includes:.223/5.56 Stripped Upper Receiver7075-T6 Forged Aluminum Hard Coat AnodizedM4 Feed RampsMade in the USAUpper Parts Kit (Forward Assist Kit + Dust Cover Kit..
    AR-15 5.56/.223 Upper Build Kit with Black Nitride BCG provides a g...
    $249.95
  • AR-15 Aero Precision Stripped Upper Receiver
    The Aero Precision Stripped Upper Receiver is crafted from a 7075-T6 aluminum forging machined to MIL-SPEC including M4 feed ramps. The upper is Type III Class 2 hardcoat anodized and laser engraved with T-marks. Compatible with all MIL-SPEC AR-15/M16 components.Features:M4 feedrampsAnodized blackMa..
    The Aero Precision Stripped Upper Receiver is crafted from a 7075-T...
    $79.99
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  • AR-15 Aero Precision Stripped Upper Receiver - FDE
    The Aero Precision Stripped Upper Receiver is crafted from a 7075-T6 aluminum forging machined to MIL-SPEC including M4 feed ramps. The upper is finished in a durable flat dark earth Cerakote. Compatible with all MIL-SPEC AR-15/M16 components.Features:M4 feedrampsMagpul FDE CerakoteMachined for .250..
    The Aero Precision Stripped Upper Receiver is crafted from a 7075-T...
    $104.99
  • AR-15 AIRLITE SERIES STRIPPED BILLET UPPER RECEIVER
    US Made .223 / 5.56 CalT6 6061 Billet 1913 Picatinny Rail Flat TopManufactured From Solid Block Of Billet AluminumM4 Feed RampAnodizedWill Match Up With Any Brand Lower Receiver Accepts Mil-Spec Ejection Port Door Kit And Forward Assist Kit (Not Included)Slim Profile Shell D..
    US Made .223 / 5.56 CalT6 6061 Billet 1913 Picatinny Rail...
    $159.95
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  • AR-15 BILLET UPPER RECEIVER WITH FORWARD ASSIST & EJECTION DOOR ASSEMBLY
    US Made.223 / 5.56 CalT6 6061 Billet 1913 Picatinny Rail Flat TopManufactured From Solid Block Of Billet AluminumM4 Feed RampMIL-A-8625 TYPE III AnodizingWill Match Up With Any Brand Lower Receiver Accepts Mil-Spec Ejection Port Door Kit  And Forward Assist Kit (Both Are Inc..
    US Made.223 / 5.56 CalT6 6061 Billet 1913 Picatinny Rail Flat ...
    $99.95$149.95
  • AR-15 Left Side Charging Billet Upper Receiver & BCG
    Features:AR15 Left Side Charging Upper ReceiverMachined from Billet Machined 7075-T6 AluminumHard Coat Anodized Black Left Handed Operation/ Standard Charging handleMade In USAAlso Included and installed:AR15 Side Bolt Carrier GroupM16 Style (Full Auto Capable) .223/5.56 .300BLKCarrier 862..
    Features:AR15 Left Side Charging Upper ReceiverMachined from Billet...
    $224.95$249.95
  • AR-15 Moriarti Armaments Dust Cover
    AR-15 Moriarti Armaments Dust CoverAR-15 Dust Cover to complete your AR-15 Stripped Upper Receiver Black anodized finish Made in the USA ..
    AR-15 Moriarti Armaments Dust CoverAR-15 Dust Cover to complete you...
    $14.99
  • AR-15 STRIPPED "SLAB SIDE" BILLET UPPER RECEIVER - BLACK ANODIZED
    US Made.223 / 5.56 CalT6 6061 Billet 1913 Picatinny Rail Flat TopManufactured From Solid Block Of Billet AluminumM4 Feed RampSmooth "Slab Side" Design (No Forward Assist)MIL-A-8625 TYPE III AnodizingWill Match Up With Any Brand Lower Receiver Accepts Mil-Spec Ejection Port Door Kit&nb..
    US Made.223 / 5.56 CalT6 6061 Billet 1913 Picatinny Rail Flat ...
    $99.95$139.99
  • AR-15 stripped billet upper receiver in blue
    .223 / 5.56 CalT6 6061 Billet 1913 Picatinny Rail Flat TopManufactured From Solid Block Of Billet AluminumM4 Feed RampBlue Anodized FinishWill Match Up With Any Brand Lower Receiver Accepts Mil-Spec Ejection Port Door Kit And Forward Assist Kit (Not Included)Slim Profile Shell De..
    .223 / 5.56 CalT6 6061 Billet 1913 Picatinny Rail Flat TopManu...
    $139.95
  • AR-15 stripped upper receiver - black anodized
    AR-15 stripped upper receiver - black anodizedHigh Quality Forged A3 Upper receivers milled to precise final specifications from 7075 aluminum forgings to produce a tough, high-quality upper you can depend on. Features include:M4-pattern feed cuts for reliable feeding, military-style, hard-anod..
    AR-15 stripped upper receiver - black anodizedHigh Quality Forged A...
    $79.99
  • Spikes Tactical AR-15 Upper Receiver STRIPPED Forged M4 Flat Top
    Spikes Tactical AR-15 Upper Receiver STRIPPED Forged M4 Flat TopThe Spike's Tactical M4 flat top stripped upper receiver is machined from a Mil-Spec 7075 T6 forging with a durable Type III Hardcoat Anodized finish. It features M4 feed ramps that are cut into the receiver before anodizing to avo..
    Spikes Tactical AR-15 Upper Receiver STRIPPED Forged M4 Flat TopThe...
    $89.95
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  • AR-15 Ejection Port Dust Cover Assembly
    AR-15 Ejection Port Dust Cover AssemblyUS Made.223Includes Dust Cover, Rod, Spring, And ClipComplete Assembly ..
    AR-15 Ejection Port Dust Cover AssemblyUS Made.223Includes Dust Cov...
    $9.95$11.95
  • AR-15 Ejection Port Dust Cover Engraving - Snake
    AR-15 Ejection Port Dust Cover Complete Assembly with Don't Tread On Me/ No Step On Snake Engraving.Includes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15 ..
    AR-15 Ejection Port Dust Cover Complete Assembly with Don't Tread O...
    $10.95$15.95
  • AR-15 Forward Assist Assembly
    US Made.223 CalMil-SpecIncludes Button, Spring, And PinComplete Assembly  ..
    US Made.223 CalMil-SpecIncludes Button, Spring, And PinComplete Ass...
    $11.95
  • AR-15 FORWARD ASSIST ASSEMBLY - NICKEL
    US MadeAnodized Silver/Nickel Finish.223 CalMil-SpecIncludes Button, Spring, And PinComplete Assembly  ..
    US MadeAnodized Silver/Nickel Finish.223 CalMil-SpecIncludes Button...
    $17.95
  • AR-15 FORWARD ASSIST ASSEMBLY / ENGRAVED DESIGN / MULTIPLE COLORS
    FEATURES:Unique engraved designDrop-in replacementRoll pin and spring includedSPECIFICATIONS:Material: 4140 steelFinish: Black, FDE, Blue, Red, SilverWeight: 0.74 oz.COMPATIBILITY:AR-15 and AR-10INCLUDES:1x AR Forward Assist1x Forward Assist Spring1x Forward Assist Roll PinNotice from..
    FEATURES:Unique engraved designDrop-in replacementRoll pin and spri...
    $8.95$15.95
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  • AR-15 STAINLESS STEEL FORWARD ASSIST
    US Made.223 CalMil-SpecIncludes Button, Spring, And PinComplete AssemblyStainless Steel  ..
    US Made.223 CalMil-SpecIncludes Button, Spring, And PinComplete Ass...
    $24.95