1. AR-Stoner AR-15 Optics Ready Upper Receiver Assembly 5.56x45mm 16" Barrel
    AR-Stoner AR-15 Optics Ready Upper Receiver Assembly 5.56x45mm 16" ... 3.0 (2 Reviews)
    Sale
    $199.99
    Regular Price: $389.99 Save $190.00 (48%)
    Available
  2. AR-Stoner AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    AR-Stoner AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 4.7 (434 Reviews)
    Sale
    $299.99
    Regular Price: $399.99 Save $100.00 (25%)
    Available
  3. Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 16" Barrel
    Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 16" Barrel 4.9 (51 Reviews)
    Sale
    $559.99
    Regular Price: $679.99 Save $120.00 (17%)
    Available
  4. AR-Stoner Carbine Kit with Complete Upper Assembly AR-15 5.56x45mm NATO 1 in 9" Twist 16" Barrel ...
    AR-Stoner Carbine Kit with Complete Upper Assembly AR-15 5.56x45mm ... 4.9 (9 Reviews)
    $509.99
    Available
  5. AR-Stoner Carbine Kit with Complete Upper Assembly AR-15 7.62x39mm 1 in 10" Twist 16" Barrel and ...
    AR-Stoner Carbine Kit with Complete Upper Assembly AR-15 7.62x39mm ... 4.9 (9 Reviews)
    $509.99
    Available
  6. AR-Stoner AR-15 Side Charging Upper Receiver Assembly 5.56x45mm 16" Barrel with 15" M-Lok Handguard
    AR-Stoner AR-15 Side Charging Upper Receiver Assembly 5.56x45mm 16"... 4.4 (17 Reviews)
    $499.99
    Available
  7. AR-Stoner AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 8.5" Barrel with 7" M-Lok Hand...
    AR-Stoner AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout ... 5.0 (1 Review)
    $429.99
    Available
  8. AR-Stoner AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    AR-Stoner AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel 4.6 (141 Reviews)
    $399.99
    Available
  9. AR-Stoner AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel with 10" M-Lok Hand...
    AR-Stoner AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11... 5.0 (2 Reviews)
    $429.99
    Available
  10. AR-Stoner AR-15 A3 Upper Receiver Assembly 22 Nosler 18" SS Fluted Barrel with 15" M-Lok Handguard
    AR-Stoner AR-15 A3 Upper Receiver Assembly 22 Nosler 18" SS Fluted ... 4.0 (23 Reviews)
    $499.99
    Available
  11. Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45mm NATO 10.3" Barrel Mil-Spec+
    Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45... 4.4 (9 Reviews)
    $1,146.00
    Available
  12. AR-Stoner AR-15 A3 Billet Upper Receiver Assembly 5.56x45mm NATO 16" Barrel with 15" Ultralight M...
    AR-Stoner AR-15 A3 Billet Upper Receiver Assembly 5.56x45mm NATO 16...
    $599.99
    Available
  13. Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45mm NATO 10.3" Barrel Black
    Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45...
    $1,092.00
    Available
  14. AR-Stoner AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel with 15" M-Lok Handguard
    AR-Stoner AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Bar... 4.3 (18 Reviews)
    $499.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  15. Alexander Arms AR-15 AWS A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    Alexander Arms AR-15 AWS A3 Upper Receiver Assembly 50 Beowulf 16.5... 4.9 (13 Reviews)
    $1,139.99
    Available
  16. Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7.5'' Barrel
    Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NA... Available
  17. Daniel Defense AR-15 DDM4v11 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Daniel Defense AR-15 DDM4v11 A3 Upper Receiver Assembly 5.56x45mm N... 5.0 (2 Reviews)
    $986.00
    Available
  18. Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver Assembly ... 4.3 (24 Reviews)
    Add to Cart for Price
    Regular Price: $866.20
    Available
  19. Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16'' Barrel
    Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NA... Available
  20. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 1 in 9" Twist 20" Government Contour Barrel
    Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 1 in 9" Twi... 4.4 (28 Reviews)
    $419.99
    Available
  21. Daniel Defense AR-15 DDM4v11 LW A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Daniel Defense AR-15 DDM4v11 LW A3 Upper Receiver Assembly 5.56x45m...
    $986.00
    Available
  22. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 5.56x45mm NAT... 4.5 (6 Reviews)
    Add to Cart for Price
    Regular Price: $1,133.55
    Available
  23. Alexander Arms AR-15 Overwatch A3 Upper Receiver Assembly 6.5 Grendel 24" Barrel
    Alexander Arms AR-15 Overwatch A3 Upper Receiver Assembly 6.5 Grend... 4.6 (48 Reviews)
    $849.99
    Available
  24. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Flip Up Rear Sight
    Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Fli... 4.9 (14 Reviews)
    $679.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
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