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  1. 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 ...
    $464.99
    List Price: $509.97 Save $44.98 (8%)
    Out of Stock, Backorder OK
    What are product arrival notifications?
  2. AR-Stoner Carbine Kit with Complete Upper Assembly AR-15 7.62x39mm 1 in 10" Twist 16" Barrel
    AR-Stoner Carbine Kit with Complete Upper Assembly AR-15 7.62x39mm ...
    $459.99
    List Price: $509.97 Save $49.98 (9%)
    Available
  3. New Arrival Banner
    AR-Stoner AR-15 Side Charging Upper Receiver Assembly 5.56 16" Barrel with 15" M-Lok Handguard
    AR-Stoner AR-15 Side Charging Upper Receiver Assembly 5.56 16" Barr...
    Sale
    $449.99
    Save $150.00 (25%)
    Available
  4. 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
    $399.99
    Available
  5. AR-Stoner AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    AR-Stoner AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    $399.99
    Available
  6. 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...
    $599.99
    Available
  7. New Arrival Banner
    AR-Stoner AR-15 Side Charging Upper Receiver Assembly 300 AAC Blackout 16" Barrel with 15" M-Lok ...
    AR-Stoner AR-15 Side Charging Upper Receiver Assembly 300 AAC Black...
    $649.99
    Available
  8. DPMS LR-308 Oracle A3 Upper Receiver Assembly 308 Winchester 16" Barrel
    DPMS LR-308 Oracle A3 Upper Receiver Assembly 308 Winchester 16" Ba...
    $629.99
    Available
  9. Adams Arms AR-15 Pistol PDW Tactical Elite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7...
    Adams Arms AR-15 Pistol PDW Tactical Elite A3 Gas Piston Upper Rece...
    $699.60
    Available
  10. DPMS AR-15 TPR A3 Upper Receiver Assembly 5.56x45mm NATO 20" Barrel
    DPMS AR-15 TPR A3 Upper Receiver Assembly 5.56x45mm NATO 20" Barrel
    $729.99
    Available
  11. 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...
    $1,139.99
    Available
  12. New Arrival Banner
    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
  13. Adams Arms AR-15 Pistol Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 11.5" B...
    Adams Arms AR-15 Pistol Tactical Evo A3 Gas Piston Upper Receiver A...
    $699.46
    Available
  14. Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel Flip Up Rear Sight
    Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barr...
    $679.99
    Available
  15. DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Chrome Moly Matte Barrel
    DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Bar...
    $399.99
    Available
  16. Adams Arms AR-15 Evo XLP A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Adams Arms AR-15 Evo XLP A3 Gas Piston Upper Receiver Assembly 5.56...
    $759.87
    Available
  17. Adams Arms AR-15 Pistol PDW Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7.5...
    Adams Arms AR-15 Pistol PDW Tactical Evo A3 Gas Piston Upper Receiv...
    $699.60
    Available
  18. 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...
    $679.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  19. CMMG Mk3 LR-308 A3 Upper Receiver Assembly 308 Winchester 18" Barrel
    CMMG Mk3 LR-308 A3 Upper Receiver Assembly 308 Winchester 18" Barrel
    $999.99
    Available
  20. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Monolithic Rail Flip Up Sights
    Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mon...
    $959.99
    Available
  21. 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...
    $849.99
    Available
  22. Adams Arms AR-15 Pistol PDW Base A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7.5" Barrel
    Adams Arms AR-15 Pistol PDW Base A3 Gas Piston Upper Receiver Assem...
    $735.00
    Available
  23. Adams Arms AR-15 Base A3 Gas Piston Upper Receiver Assembly Carbine 5.56x45mm NATO 16" Barrel
    Adams Arms AR-15 Base A3 Gas Piston Upper Receiver Assembly Carbine...
    $529.58
    Available
  24. Yankee Hill AR-15 Specter Upper Receiver Assembly Kit 9mm Luger 16" Barrel
    Yankee Hill AR-15 Specter Upper Receiver Assembly Kit 9mm Luger 16"...
    $989.10
    Available
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