AR-15 Upper Parts

AR-15 Upper Parts

Welcome to A1armorys comprehensive collection of AR15 Upper Parts, Crafted with the utmost attention to detail, every upper part in this category has been carefully curated to elevate your rifle's functionality and reliability to new heights. Our selection includes a variety of upper receivers, from stripped to complete options, allowing you to customize your build according to your preferences and specifications. 

  • AR-15 Don't Tread On Me Engraved Dust cover Kit AR-15 Don't Tread On Me Engraved AR 15 Dust Cover Kit

    AR-15 Don't Tread On Me Engraved Dust cover Kit

    $11.82
    AR-15 Don't Tread On Me Engraved AR 15 Dust Cover Kit       Elevate your AR-15 with our exclusive "Don't Tread On Me" Engraved Dust Cover Kit. Crafted with precision and pride in the USA, this dust cover not only enhances the aesthetic of...
    $11.82
  • Adjustable Gas Block Rebuild Kit

    Adjustable Gas Block Rebuild Kit

    $21.83
    Odin Works Adjustable Gas Block Rebuild Kit       Title: Enhance Your Firearm Performance with the Odin Works Adjustable Gas Block Rebuild Kit Description: Upgrade and maintain your firearm with confidence using the Odin Works...
    $21.83
  • OdinWorks 223 Black Nitride Bolt Carrier Group OdinWorks 223 Black Nitride Bolt Carrier Group

    OdinWorks 223 Black Nitride Bolt Carrier Group

    $118.29
    Odin Works .223/5.56/.300 Black Nitride Bolt Carrier Group-FREE SHIPPING     Features: Mil-Spec dimensions Bolt Carrier Group Material: Case Hardened 8620 Steel Finish: Black Nitride. This advanced low friction coating minimizes the need for...
    $118.29
  • blue Odin Works 15.5" BLUE 02 Lite M-Lok Handguard Odin Works 15.5" BLUE 02 Lite M-Lok Handguard

    Odin Works Blue 15.5" 02 Lite M-Lok Handguard

    $190.87
    Odin Works 15.5" 02 Lite M-Lok Handguard-FREE SHIPPING!   The O2 Lite Hand guard is the latest and lightest of all the ODIN Works forends. Precision machined from 6005-T651, the O2 lite is a full 20% lighter than its predecessors. All ODIN Works...
    $190.87
  • .223 Wylde | 14.5" Carbine | Barrel 223 Wylde | 16.1" Mid Length | Barrel

    Odin Works 14.5" 223 Wylde Carbine Barrel

    $295.74
       Odin Works 14.5" 223 Wylde Stainless Carbine Barrel-FREE SHIPPING!           The Odin Works 14.5" 223 Wylde Stainless Carbine Barrel is a high-quality barrel designed for AR-15 rifles. This barrel is made from 416R...
    $295.74
  • Odin Works 223 Wylde  16.1" Intermediate Barrel

    Odin Works .223 Wylde 16.1" Intermediate Barrel

    $318.49
    Odin Works .223 Wylde 16.1" Intermediate Barrel W Free Adjustable Gas Block-FREE SHIPPING!       Experience the ultimate in accuracy and adaptability with the Odin Works .223 Wylde 16.1" Intermediate Barrel. This exceptional barrel is...
    $318.49
  • Phase 5 AR-15 NICKEL BORON BOLT CARRIER GROUP Phase 5 AR-15 NICKEL BORON BOLT CARRIER GROUP

    Phase5 AR-15 Nickel Boron Bolt Carrier Group

    $168.35
    Phase 5 Nickel Boron AR-15 Bolt Carrier Group-FREE SHIPPING       Title: Enhance Your AR-15 Performance with the Phase 5 Nickel Boron Coated Bolt Carrier Group Description: Elevate the performance of your AR-15 with the Phase 5 Nickel...
    $168.35
  • On Sale
    M16 / M4 CHROME LINED BLACK PHOSPHATE COMPLETE BOLT CARRIER GROUP

    Phase5 M16 / M4 Chrome Lined Complete Bolt Carrier Group

    Now: $145.59
    Was: $165.00
    M16/M4 Chrome Lined Black Phosphate Bolt Carrier Group-FREE SHIPPING!     Phase 5’s Mil-spec M-16 / M4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes...
    Now: $145.59
    Was: $165.00
  • AR-15 Forward Assist Spring lower part AR15 / AR10 Lower Parts - Forward Assist Spring rifle Lower parts

    10 Pack AR15 Forward Assist Springs

    $5.45
    10-AR15 / AR10 Lower Parts - Forward Assist Springs       Title: "Premium 10-Pack AR15/AR10 Lower Parts - Forward Assist Springs" Product Description: Upgrade your firearm's performance with our premium 10-Pack AR15/AR10 Lower Parts -...
    $5.45
  • AR-15 Gas Key Screw AR-15 Gas Key Screw
Mil-Spec

    AR15/AR10 Gas Key Screw

    $1.14
    AR-15 Gas Key Screw       Title: Precision-Engineered AR-15 Gas Key Screw - Enhance Your Firearm's Performance Description: Upgrade your AR-15, M16, or AR-10 with our top-of-the-line Gas Key Screw, meticulously designed for...
    $1.14
  • A1Armory AR-15 EJECTOR ROLL PIN for bcg bolt carrier groups-A1Armory lower ar15 parts, quantity and bulk discounts

    10 Pack AR-15 Ejector Roll Pins

    $5.91
    A1Armory AR-15 Ejector Roll Pins 10 Pack       AR-15 ejector roll pins play a crucial role in the functioning of the rifle's ejection system. They are small, cylindrical pins that secure the ejector spring and ejector in place within the...
    $5.91
  • On Sale
    A1Armory AR-15 Black Pistol Length Gas Tube With Roll Pin A1Armory AR-15 Black Pistol Length Gas Tube With Roll Pin

    Black Nitride Pistol Length Gas Tube With Roll Pin

    Now: $10.01
    Was: $12.99
    A1Armory AR-15 Black Pistol Length Gas Tube With Roll Pin    This is our Mil-Spec Pistol Length Gas tube, made in the U.S.A. Provides optimal heat and corrosion resistance and consistent gas flow. Length: 6.75" Steel construction Mil-Spec...
    Now: $10.01
    Was: $12.99
  • On Sale
    BCA AR15 9.75" CARBINE GAS LENGTH TUBE

    BCA Carbine Length Gas Tube

    Now: $9.09
    Was: $13.50
    BCA 9.75" Carbine Length Gas Tube     The Bear Creek Arsenal Stainless Steel gas tube is an excellent option to get your new rifle up and running. The corrosion resistant stainless steel construction ensures a life time of service. Each gas...
    Now: $9.09
    Was: $13.50
  • AR15 Flat Dark Earth Bolt Carrier Group AR15 Flat Dark Earth Bolt Carrier Group

    WLA AR15 Flat Dark Earth Bolt Carrier Group

    $121.02
    AR15 Flat Dark Earth 5.56/.223 Bolt Carrier Group-FREE SHIPPING       Description: Upgrade your AR15 with our premium Flat Dark Earth 5.56/.223 Bolt Carrier Group, meticulously engineered for optimal performance and durability...
    $121.02
  • White Label Armory AR15 BCG Bolt Carrier Group - 5.56.223 PVD Blue White Label Armory AR15 BCG Bolt Carrier Group - 5.56.223 PVD Blue

    AR15 5.56 Blue PVD Bolt Carrier Group

    $126.48
    AR15 5.56/.223 Blue PVD BCG Bolt Carrier Group - FREE SHIPPING       Description: Elevate your AR15's performance with our top-of-the-line 5.56/.223 Blue PVD BCG Bolt Carrier Group. Crafted with precision and using the finest...
    $126.48
  • On Sale
    A1armory bolt carrier group, black bcg, A1armory bolt carrier group, black bcg,

    AR-15 Nitride Bolt Carrier Group 5.56/.223/.300

    Now: $70.97
    Was: $109.99
    A1Armory AR-15 .223/5.56 NATO/.300 Blackout/.350 Legend AR-15 Bolt Carrier Group        Elevate your AR-15's performance with the versatile and robust AR-15 Bolt Carrier Group from A1Armory. Precision-engineered and thoroughly...
    Now: $70.97
    Was: $109.99
  • On Sale
    A1A .2235.56300BLK  M16 Nickel Boron Bolt Carrier Group Complete Assembly upper parts A1Armory .223/5.56/300 BLK  M16 Nickel Boron Bolt Carrier Group Complete Assembly ar15 upper part

    A1A .223/5.56/300BLK Nickel Boron Bolt Carrier Group

    Now: $111.92
    Was: $145.99
    A1Armory .223/5.56/300BLK  M16 Nickel Boron Bolt Carrier Group Complete Assembly FREE SHIPPING!       Title: A1Armory .223/5.56/300BLK M16 Nickel Boron Bolt Carrier Group - Premium Firearm Performance Description: Enhance...
    Now: $111.92
    Was: $145.99
  • 2 AR15 Knurled Gas Block Set Screws 2 AR15 Knurled Gas Block Set Screws

    2 Knurled Gas Block Set Screw

    $1.72
    2 AR15 Knurled Gas Block Set Screws         DESCRIPTION: Upgrade your AR-15 with the precision and reliability of A1Armory's Knurled Gas Block Set Screws, proudly made in the U.S.A. These screws feature a 10-32 thread and...
    $1.72
  • AR15 1/2in  Black Crush Washer AR15 12in stainless steel Crush Washer

    AR15 1/2in Black Crush Washer

    $1.81
     1/2in Black Or Stainless Steel Crush Washers     Product Description: Ensure optimal performance and longevity for your AR15 threaded barrel with our premium 1/2 inch crush washers, designed to be used behind flash hiders or...
    $1.81