Flash Sale: $7.99 Box of .223 is Back, Won't Last Long!

Toggle Nav
Cart

AR Uppers

GrabAGun has everything you need to build your new AR15 with our great selection of AR-15 uppers. We have many options including different calibers, barrel lengths, gas systems, handguards, and rails to choose from to help you build your dream AR-15.

Page
per page
View as Grid List

393 Items

Set Descending Direction
  1. Maxim Defense Industries PDX Complete Upper .300 AAC Blackout 5.5" Barrel
    Maxim Defense Industries PDX Complete Upper .300 AAC Blackout 5.5" Barrel
    Rating:
    100%
    2  Reviews
    $1,075.99
    Add to Wishlist Add to Compare
  2. CMMG Banshee Upper Receiver 9MM 8" Barrel Cerakote Finish Armor
    CMMG Banshee Upper Receiver 9MM 8" Barrel Cerakote Finish Armor
    Rating:
    100%
    1  Review
    $777.99
    Add to Wishlist Add to Compare
  3. Maxim Defense Industries PDX Upper Receiver Flat Dark Earth .300 AAC Blackout 5.5" Barrel
    Maxim Defense Industries PDX Upper Receiver Flat Dark Earth .300 AAC Blackout 5.5" Barrel
    $1,075.99
    Add to Wishlist Add to Compare
  4. Adams Arms P3 AARS Upper .300 AAC Blackout 12.5" Barrel
    Adams Arms P3 AARS Upper .300 AAC Blackout 12.5" Barrel
    $1,026.99
    Add to Wishlist Add to Compare
  5. Aero Precision M5 Upper Flat Dark Earth .308 Win 16" Barrel w/ ATLAS S-ONE Handguard
    Aero Precision M5 Upper Flat Dark Earth .308 Win 16" Barrel w/ ATLAS S-ONE Handguard
    $698.99
    Add to Wishlist Add to Compare
  6. Daniel Defense M4 V7 S Upper Receiver 5.56/.223 Rem 11.5" Barrel
    Daniel Defense M4 V7 S Upper Receiver 5.56/.223 Rem 11.5" Barrel
    Rating:
    100%
    3  Reviews
    $1,179.00
    Add to Wishlist Add to Compare
  7. CMMG Resolute MK4 5.56 16.1" Barrel No BCG/Charging Handle
    CMMG Resolute MK4 5.56 16.1" Barrel No BCG/Charging Handle
    $432.99
    Add to Wishlist Add to Compare
  8. TacFire Pistol Upper Assembly 5.56 7" Barrel
    TacFire Pistol Upper Assembly 5.56 7" Barrel
    $261.99
    Add to Wishlist Add to Compare
  9. APF Carbine Upper .350 Legend 16" Barrel w/ 5-Round Mag
    APF Carbine Upper .350 Legend 16" Barrel w/ 5-Round Mag
    $550.99
    Add to Wishlist Add to Compare
  10. Daniel Defense MK18 URG Complete Upper 5.56 NATO 10.3" Barrel
    Daniel Defense MK18 URG Complete Upper 5.56 NATO 10.3" Barrel
    $1,371.00
    Add to Wishlist Add to Compare
  11. TacFire Pistol Upper 9mm 7" Barrel
    TacFire Pistol Upper 9mm 7" Barrel
    $243.99
    Add to Wishlist Add to Compare
  12. TacFire Pistol Upper 5.56 5" Barrel
    TacFire Pistol Upper 5.56 5" Barrel
    Rating:
    60%
    1  Review
    $300.99
    Add to Wishlist Add to Compare
  13. Del-Ton AR-15 Pre-Ban Upper Black 5.56 NATO / .223 Rem 16" Barrel
    Del-Ton AR-15 Pre-Ban Upper Black 5.56 NATO / .223 Rem 16" Barrel
    Rating:
    100%
    3  Reviews
    $279.99
    Add to Wishlist Add to Compare
  14. Brownells Gen 2 Upper Receiver Assembly .223 Wylde 10.5" Barrel
    Brownells Gen 2 Upper Receiver Assembly .223 Wylde 10.5" Barrel
    $824.99
    Add to Wishlist Add to Compare
  15. Aero Precision M4E1 Enhanced .300 Blackout 8" Barrel Complete Upper Receiver
    Aero Precision M4E1 Enhanced .300 Blackout 8" Barrel Complete Upper Receiver
    $496.99
    Add to Wishlist Add to Compare
  16. Product image
    Del-Ton M4 Magpul M-LOK Rifle Kit Flat Dark Earth .223 / 5.56 NATO 16-inch Upper and Lower Parts Kit
    Rating:
    96%
    5  Reviews
    $423.99
    Add to Wishlist Add to Compare
  17. Anderson Manufacturing Stripped AR-15 A3 Sport Upper Receiver
    Anderson Manufacturing Upper Receiver Stripped with Forward Assist for AR-15
    $49.29
    Add to Wishlist Add to Compare
  18. Daniel Defense MK18 Upper Flat Dark Earth 5.56 NATO 10.3" Barrel
    sale
    Daniel Defense MK18 Upper Flat Dark Earth 5.56 NATO 10.3" Barrel
    Rating:
    100%
    3  Reviews
    $1,371.00
    Add to Wishlist Add to Compare
  19. Product image
    Aero Precision AR15 Stripped Upper Flat Dark Earth
    $111.99
    Add to Wishlist Add to Compare
  20. Primary Weapons Systems MK107 Mod 2-M 7.62 X 39 7.75" Barrel for AR-15
    Primary Weapons Systems MK107 Mod 2-M 7.62 X 39 7.75" Barrel for AR-15
    $1,299.95
    Add to Wishlist Add to Compare
  21. Aero Precision M5 Assembled Upper Receiver .308 Win.
    Aero Precision M5 Assembled Upper .308 Win
    Rating:
    100%
    4  Reviews
    $165.99
    Add to Wishlist Add to Compare
  22. Product image
    Del-Ton RKT101 Rifle Kit Black .223 Rem / 5.56 Nato 16 inch Heavy Barrel
    $359.99
    Add to Wishlist Add to Compare
  23. Zev Technologies AR15 Forged Upper 5.56 NATO
    Zev Technologies AR15 Forged Upper 5.56 NATO
    $118.75
    Add to Wishlist Add to Compare
  24. PWS MK116 MOD 1-M AR-15 Complete Upper .223 Wylde 16" Barrel
    PWS MK116 MOD 1-M AR-15 Complete Upper .223 Wylde 16" Barrel
    $1,029.49
    Add to Wishlist Add to Compare
  25. Anderson Manufacturing AM-15 Upper Receiver Sub-Assembly with Charging Handle
    Anderson Manufacturing AM-15 Upper Receiver Sub-Assembly with Charging Handle
    $109.99
    Add to Wishlist Add to Compare
  26. Primary Weapons Systems MK1 Mod2-M Upper .223 Wylde 11.85" Barrel
    Primary Weapons Systems MK1 Mod2-M Upper .223 Wylde 11.85" Barrel
    $1,299.95
    Add to Wishlist Add to Compare
  27. Battle Arms Development WORKHORSE Upper .223-Remington 5.56-NATO 10.5" Barrel
    Battle Arms Development WORKHORSE Upper .223-Remington 5.56-NATO 10.5" Barrel
    $499.99
    Add to Wishlist Add to Compare
  28. Aero Precision M5 Assembled Upper OD Green .308 Win
    Aero Precision M5 Assembled Upper OD Green .308 Win
    $194.99
    Add to Wishlist Add to Compare
  29. CMMG Resolute MK4 Upper Receiver 350 Legend 16.1" Barrel
    CMMG Resolute MK4 Upper Receiver 350 Legend 16.1" Barrel
    $733.99
    Add to Wishlist Add to Compare
  30. TacFire Pistol Upper 9mm 4" Barrel
    TacFire Pistol Upper 9mm 4" Barrel
    $243.99
    Add to Wishlist Add to Compare
Page
per page
View as Grid List

393 Items

Set Descending Direction
Filter
Shopping Options
Category
Average Rating
Manufacturer
Caliber
Capacity
Price
Barrel Length
Finish Per Color
Rebate
Stock Status
Compare Products
  1. Remove This Item
Compare
You have no items to compare.
My Wish Lists
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.

Related Products

  • Rock River Arms LAR-15M CLB Complete Upper .458
    Rock River Arms LAR-15M CLB Complete Upper .458

    Designed for those seeking superior performance and uncompromising quality, the Rock River Arms LAR-15M CLB Complete Upper is a definitive choice for firearm enthusiasts. Chambered in the powerful .458 SOCOM caliber, this upper boasts a 16" chrome moly barrel that ...

    Show More
    Rock River Arms LAR-15M CLB Complete Upper .458
    Rock River Arms LAR-15M CLB Complete Upper .458

    Designed for those seeking superior performance and uncompromising quality, the Rock River Arms LAR-15M CLB Complete Upper is a definitive choice for firearm enthusiasts. Chambered in the powerful .458 SOCOM caliber, this upper boasts a 16" chrome moly barrel that ...

    Close
  • Alexander Arms Hunter Complete Upper 6.5 Grendel 18"
    Alexander Arms Hunter Complete Upper 6.5 Grendel 18"

    The Alexander Arms Complete Upper delivers accuracy and consistency. Chambered for 6.5 Grendel, it has an 18 inch barrel length. Features include an M-LOK handguard, a thread protector, and a 10 round magazine. Get the best uppers for sale online ...

    Show More
    Alexander Arms Hunter Complete Upper 6.5 Grendel 18"
    Alexander Arms Hunter Complete Upper 6.5 Grendel 18"

    The Alexander Arms Complete Upper delivers accuracy and consistency. Chambered for 6.5 Grendel, it has an 18 inch barrel length. Features include an M-LOK handguard, a thread protector, and a 10 round magazine. Get the best uppers for sale online ...

    Close
  • Primary Weapons Systems MK111 Pro Upper .223 Wylde
    Primary Weapons Systems MK111 Pro Upper .223 Wylde

    The PWS MK111 Pro Upper delivers high performance for a reliable firearm build. It comes chambered in .223 Wylde with an 11.85 inch barrel. Features include an M-LOK handguard, a Radian Raptor charging handle, and a dust cover. Get this ...

    Show More
    Primary Weapons Systems MK111 Pro Upper .223 Wylde
    Primary Weapons Systems MK111 Pro Upper .223 Wylde

    The PWS MK111 Pro Upper delivers high performance for a reliable firearm build. It comes chambered in .223 Wylde with an 11.85 inch barrel. Features include an M-LOK handguard, a Radian Raptor charging handle, and a dust cover. Get this ...

    Close
  • Daniel Defense MK18 Upper Flat Dark Earth 5.56
    Daniel Defense MK18 Upper Flat Dark Earth 5.56

    The Daniel Defense MK18 provides a lightweight and durable upper receiver to complete an AR 15 rifle or pistol build. It comes chambered for 556 NATo with a 10.3 inch barrel. Features include an optics ready rail, a Picatinny handguard, ...

    Show More
    Daniel Defense MK18 Upper Flat Dark Earth 5.56
    Daniel Defense MK18 Upper Flat Dark Earth 5.56

    The Daniel Defense MK18 provides a lightweight and durable upper receiver to complete an AR 15 rifle or pistol build. It comes chambered for 556 NATo with a 10.3 inch barrel. Features include an optics ready rail, a Picatinny handguard, ...

    Close

Related Items

anderson manufacturing barrel flat dark earth barrel daniel defense flat dark earth barrel

Related Categories

daniel defense brown 30 rounds barrels search results for cmmg banshee 100 patriot ordnance factory upper barrels rock river arms barrels
Due to increased state legislation around firearms, you must be 18 to access our site.
Are you at least 18 years old?