1. 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
    Sale
    $249.99
    Regular Price: $399.99 Save $150.00 (37%)
    Available
  2. 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...
    $499.99
    Available
  3. Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel M...
    Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assemb...
    $719.87
    Available
  4. 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
  5. 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
    Available
  6. Adams Arms AR-15 Base MOE A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Adams Arms AR-15 Base MOE A3 Gas Piston Upper Receiver Assembly 5.5...
    $579.99
    Available
  7. Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid...
    Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly...
    $719.87
    Available
  8. 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
  9. 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 ...
    $866.20
    Available
  10. 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...
    $1,133.55
    Available
  11. Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assembly Carbine 5.56x45mm NATO 16" ...
    Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assemb...
    $699.46
    Available
  12. Noveske AR-15 Light Recce Lo-Pro A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel NSR-13.5 Fr...
    Noveske AR-15 Light Recce Lo-Pro A3 Upper Receiver Assembly 5.56x45...
    $1,410.75
    Available
  13. Adams Arms AR-15 Base A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid Length
    Adams Arms AR-15 Base A3 Gas Piston Upper Receiver Assembly 5.56x45...
    $550.64
    Available
  14. Adams Arms AR-15 Evo Ultra Lite A3 Gas Piston Upper Receiver Assembly Carbine 5.56x45mm NATO 16" ...
    Adams Arms AR-15 Evo Ultra Lite A3 Gas Piston Upper Receiver Assemb...
    $799.70
    Available
  15. Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel Monolithic Rail Flip Up Sights
    Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barr...
    $959.99
    Available
  16. Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly Carbine 5.56x45mm NATO 16" Ba...
    Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly...
    $699.46
    Available
  17. 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
    Out of Stock, Backorder OK
    What are product arrival notifications?
  18. 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
  19. CMMG AR-15 Mk4 T Upper Receiver Assembly 5.56x45mm NATO 16" Salt Bath Nitride Finished Chrome Mol...
    CMMG AR-15 Mk4 T Upper Receiver Assembly 5.56x45mm NATO 16" Salt Ba...
    $689.99
    Available
  20. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 7" Twist M4 Contour Barrel
    Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel ...
    $459.99
    Available
  21. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist Mid Length Heavy...
    Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel ...
    $419.99
    Available
  22. Del-Ton AR-15 Extreme Duty A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Del-Ton AR-15 Extreme Duty A3 Upper Receiver Assembly 5.56x45mm NAT...
    Clearance1 at this price
    $495.58
    Regular Price: $569.99 Save $74.41 (13%)
    Available
  23. Del-Ton AR-15 Dissipator A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Del-Ton AR-15 Dissipator A3 Upper Receiver Assembly 5.56x45mm NATO ...
    $429.99
    Available
  24. Adams Arms AR-15 Evo XLP A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel
    Adams Arms AR-15 Evo XLP A3 Gas Piston Upper Receiver Assembly 5.56...
    $785.78
    Available
Previous
Next
Help Us Improve:
Did you find what you were looking for?