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...
    Sale
    $379.99
    • {{fee.amount}} {{fee.description}}
    Regular Price: $429.99 Save $50.00 (11%)
    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...
    $1,146.00
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,206.00
    Out of Stock, Backorder OK
    What are product arrival notifications?
  3. 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...
    $899.99
    • {{fee.amount}} {{fee.description}}
    MSRP: $999.99
    Available
  4. 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...
    $976.49
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,084.99
    Available
  5. 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?
  6. 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?
  7. 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...
    $1,799.99
    MSRP: $1,899.00
    Mixed Availability View More Options
  8. 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}}
    Out of Stock, Backorder OK
    What are product arrival notifications?
  9. 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...
    $976.49
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,084.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  10. 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"...
    $1,363.25
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,435.00
    Out of Stock, Backorder OK
    What are product arrival notifications?
  11. 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"...
    $1,382.25
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,455.00
    Available
  12. 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...
    $1,192.49
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,324.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  13. 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...
    $899.99
    • {{fee.amount}} {{fee.description}}
    MSRP: $999.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  14. 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...
    $976.49
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,084.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  15. 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
  16. Bushmaster AR-15 A3 Pistol Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    Bushmaster AR-15 A3 Pistol Upper Receiver Assembly 5.56x45mm NATO 1...
    $684.99
    • {{fee.amount}} {{fee.description}}
    Unavailable - Limited Production
    What are product arrival notifications?
  17. 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...
    $1,146.00
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,206.00
    Out of Stock, No Backorder
    What are product arrival notifications?
  18. 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?
  19. 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...
    $899.99
    • {{fee.amount}} {{fee.description}}
    MSRP: $999.99
    Out of Stock, No Backorder
    What are product arrival notifications?
  20. Adams Arms AR-15 P2 Adjustable Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5'' Barrel wi...
    Adams Arms AR-15 P2 Adjustable Gas Piston Upper Receiver Assembly 5...
    $998.99
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,109.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  21. 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...
    $1,268.99
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,409.99
    Special Order
  22. 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...
    $1,169.99
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,299.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  23. Adams Arms AR-15 P3 Adjustable Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5'' Barrel
    Adams Arms AR-15 P3 Adjustable Gas Piston Upper Receiver Assembly 5...
    $1,246.49
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,384.99
    Special Order
  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...
    $922.49
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,024.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
Help Us Improve:
Did you find what you were looking for?