Upper Receivers, Dust Covers & Forwards

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 5.56/.223 SIDE CHARGING UPPER RECEIVER / RIGHT HAND
    AR-15 5.56/.223 RIGHT HANDED SIDE CHARGING UPPER RECEIVER / NO BCG - RIGHT HANDThis billet upper fits any Mil-spec lower receiver.Reciprocated.Perfect for a bolt action/Semi auto build.Made in USABillet Side Charging Upper Specs:7075-T6 Billet AluminumMil-A-8625 Type III Class 2 Hard Anodized Finish..
    AR-15 5.56/.223 RIGHT HANDED SIDE CHARGING UPPER RECEIVER / NO BCG ...
    $99.95$169.99
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  • AR-15 Ejection Port Dust Cover Engraving - Air Force
    AR-15 Ejection Port Dust Cover Complete Assembly with Air Force Engraving.Includes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15 ..
    AR-15 Ejection Port Dust Cover Complete Assembly with Air Force Eng...
    $10.95$19.95
  • AR-15 Ejection Port Dust Cover Engraving - ARMY
    AR-15 Ejection Port Dust Cover Complete Assembly with Army Engraving.Includes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15 ..
    AR-15 Ejection Port Dust Cover Complete Assembly with Army Engravin...
    $10.95$19.95
  • AR-15 Ejection Port Dust Cover Engraving - Infringed
    AR-15 Ejection Port Dust Cover Complete Assembly with 2nd Amendment Engraving.Includes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15 ..
    AR-15 Ejection Port Dust Cover Complete Assembly with 2nd Amendment...
    $12.95$19.95
  • AR-15 Ejection Port Dust Cover Engraving - MARINES
    AR-15 Ejection Port Dust Cover Complete Assembly with Marines Engraving.Includes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15 ..
    AR-15 Ejection Port Dust Cover Complete Assembly with Marines Engra...
    $10.95$19.95
  • AR-15 Patriotic Dust Cover /.223/5.56 Engraving - Red
    AR-15 Patriotic Dust Cover /.223/5.56 Engraving - RedIncludes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15 ..
    AR-15 Patriotic Dust Cover /.223/5.56 Engraving - RedIncludes:Eject...
    $12.95$24.95
  •  AR-15 Stripped Billet Upper in Red
    .223 / 5.56 Cal T6 6061 Billet  1913 Picatinny Rail Flat Top Manufactured From Solid Block Of Billet Aluminum M4 Feed Ramp Red Anodized Finish Will Match Up With Any Brand Lower Receiver  Accepts Mil-Spec Ejection Port Door Kit And Forward Assist Kit..
    .223 / 5.56 Cal T6 6061 Billet  1913 Picatinny Rail Fla...
    $99.95$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...
    $159.80$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 ...
    $74.95$149.95
  • AR-15 Fear Nothing and Love Everything Engraving - Red
    AR-15 Fear Nothing and Love Everything Engraving - RedIncludes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15 ..
    AR-15 Fear Nothing and Love Everything Engraving - RedIncludes:Ejec...
    $12.95$19.95
  • 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...
    $249.95$299.95
  • 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 ...
    $79.95$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...
    $59.95$79.99
  • AR-15 Tribal Dust Cover / Blue / Choose Caliber Engraving
    AR-15 Tribal Dust Cover / Blue / Choose Caliber Engraving Includes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15Caliber Options:.223/5.567.62x399mm300 ACC Blackout ..
    AR-15 Tribal Dust Cover / Blue / Choose Caliber Engraving Incl...
    $12.95$19.95
  • AR-15 Tribal Dust Cover / Red / Choose Caliber Engraving
    AR-15 Tribal Dust Cover / Red / Choose Caliber Engraving Includes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15Caliber Options:.223/5.567.62x399mm300 ACC Blackout ..
    AR-15 Tribal Dust Cover / Red / Choose Caliber Engraving Inclu...
    $12.95$19.95
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  • 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 - ANODIZED GOLD
    US MadeAnodized Gold Finish.223 Cal / .308 calMil-SpecIncludes Button, Spring, And PinComplete FA Assembly  ..
    US MadeAnodized Gold Finish.223 Cal / .308 calMil-SpecIncludes Butt...
    $12.95$19.95
  • 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