1. 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...
    $429.99
    • {{fee.amount}} {{fee.description}}
    Available
  2. 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...
    Available
  3. 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...
    Available
  4. 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
  5. New Arrival Banner
    Adams Arms AR-15 P2 Adjustable Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7.5'' Barrel
    Adams Arms AR-15 P2 Adjustable Gas Piston Upper Receiver Assembly 5...
    Available
  6. 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...
    $1,399.99
    Mixed Availability View More Options
  7. Noveske AR-15 Pistol Light Shorty Lo-Pro A3 Upper Receiver Assembly 5.56x45mm NATO 10.5" Barrel
    Noveske AR-15 Pistol Light Shorty Lo-Pro A3 Upper Receiver Assembly...
    Add to Cart for Price
    • {{fee.amount}} {{fee.description}}
    Regular Price: $1,217.70
    Available
  8. Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 11.5'' Barrel
    Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NA...
    Available
  9. Noveske AR-15 Pistol Light Shorty Basic A3 Upper Receiver Assembly 5.56x45mm NATO 10.5" Barrel
    Noveske AR-15 Pistol Light Shorty Basic A3 Upper Receiver Assembly ...
    $836.55
    • {{fee.amount}} {{fee.description}}
    Available
  10. War Sport AR-15 LVOA-S Upper Receiver Assembly 223 Wylde 11.75" Barrel LVOA-S Rail Handguard
    War Sport AR-15 LVOA-S Upper Receiver Assembly 223 Wylde 11.75" Bar...
    $1,399.99
    Mixed Availability View More Options
  11. Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5...
    $419.99
    • {{fee.amount}} {{fee.description}}
    Out of Stock, Backorder OK
    What are product arrival notifications?
  12. Troy Industries M7A1 PDW Deployment Package AR-15 A3 Upper Receiver Assembly 7.5" 5.56x45mm NATO
    Troy Industries M7A1 PDW Deployment Package AR-15 A3 Upper Receiver...
    Mixed Availability View More Options
  13. 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
    • {{fee.amount}} {{fee.description}}
    Out of Stock, Backorder OK
    What are product arrival notifications?
  14. Radian AR-15 Pistol Model 1 Upper Receiver Assembly 223 Wylde 10.5" Barrel with M-Lok Handguard B...
    Radian AR-15 Pistol Model 1 Upper Receiver Assembly 223 Wylde 10.5"...
    Available
  15. Adams Arms AR-15 P2 Adjustable Gas Piston Upper Receiver Assembly 5.56x45mm NATO 11.5'' Barrel
    Adams Arms AR-15 P2 Adjustable Gas Piston Upper Receiver Assembly 5...
    Available
  16. Adams Arms AR-15 P2 Adjustable Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5'' Barrel
    Adams Arms AR-15 P2 Adjustable Gas Piston Upper Receiver Assembly 5...
    Available
  17. Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5'' Barrel
    Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NA...
    Available
  18. Adams Arms AR-15 P3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5'' Barrel with Pinned F...
    Adams Arms AR-15 P3 Gas Piston Upper Receiver Assembly 5.56x45mm NA...
    Available
  19. Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel
    Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 14.5...
    $429.99
    • {{fee.amount}} {{fee.description}}
    Available
  20. Adams Arms AR-15 P3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5'' Barrel
    Adams Arms AR-15 P3 Gas Piston Upper Receiver Assembly 5.56x45mm NA...
    Special Order
  21. 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...
    $449.99
    • {{fee.amount}} {{fee.description}}
    Unavailable - Limited Production
    What are product arrival notifications?
  22. Radian AR-15 Pistol Model 1 Upper Receiver Assembly 223 Wylde 14.5" Barrel with M-Lok Handguard B...
    Radian AR-15 Pistol Model 1 Upper Receiver Assembly 223 Wylde 14.5"...
    Out of Stock, No Backorder
    What are product arrival notifications?
  23. Adams Arms AR-15 P3 Adjustable Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5'' Barrel wi...
    Adams Arms AR-15 P3 Adjustable Gas Piston Upper Receiver Assembly 5...
    Available
  24. Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5'' Barrel with Pinned F...
    Adams Arms AR-15 P2 Gas Piston Upper Receiver Assembly 5.56x45mm NA...
    Special Order
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