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    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" ...
    $389.99
    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 4.6 (408 Reviews)
    $399.99
    Available
  3. 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 (17 Reviews)
    Sale
    $379.99
    Regular Price: $499.99 Save $120.00 (24%)
    Available
  4. AR-Stoner AR-15 A3 Upper Receiver Assembly 6.5 Grendel 20" Barrel with 15" M-Lok Handguard
    AR-Stoner AR-15 A3 Upper Receiver Assembly 6.5 Grendel 20" Barrel w... 4.2 (5 Reviews)
    $449.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  5. 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
  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 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
  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 (139 Reviews)
    $399.99
    Available
  9. 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 ... 3.9 (21 Reviews)
    $499.99
    Available
  10. AR-Stoner AR-15 Side Charging Upper Receiver Assembly 22 Nosler 18" SS Fluted Barrel with 15" M-L...
    AR-Stoner AR-15 Side Charging Upper Receiver Assembly 22 Nosler 18"... 3.8 (17 Reviews)
    Clearance
    $293.29
    Regular Price: $499.99 Save $206.70 (41%)
    Available
  11. 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
  12. Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 16" Barrel
    Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 16" Barrel 4.9 (49 Reviews) Available
  13. Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 20" Barrel
    Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 20" Barrel 4.9 (27 Reviews) Available
  14. 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 (12 Reviews)
    $1,139.99
    Available
  15. 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
  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. 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)
    $866.20
    Available
  18. War Sport AR-15 LVOA-C Upper Receiver Assembly 223 Wylde 14.7" Barrel LVOA-C Rail Handguard
    War Sport AR-15 LVOA-C Upper Receiver Assembly 223 Wylde 14.7" Barr... 5.0 (1 Review)
    $1,399.99
    Available View More Options
  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. 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
  21. 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
  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)
    $1,133.55
    Available
  23. Bushmaster AR-15 Pistol A2 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    Bushmaster AR-15 Pistol A2 Upper Receiver Assembly 5.56x45mm NATO 1... 5.0 (1 Review)
    $449.99
    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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