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  1. Alexander Arms AR-15 Overwatch A3 Upper Receiver Assembly 6.5 Grendel 24" Barrel
    Sale
    $759.99
    Save $90.00 (10%)
    Available
  2. AR-Stoner AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $399.99
    Available
  3. AR-Stoner AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    $399.99
    Available
  4. AR-Stoner Upper Receiver Assembled AR-15 A3 Matte
    $89.99
    Available
  5. AR-Stoner Side Charging Upper Receiver Assembled AR-15 223 Remington Matte
    $239.99
    Available
  6. AR-Stoner Upper Receiver Stripped AR-15 A3 Matte
    $64.99
    Available
  7. Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 16" Barrel
    $659.99
    Available
  8. Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel M...
    $719.87
    Available
  9. Vltor MUR Modular Upper Receiver with Combination Forward Assist / Shell Deflector Assembled AR-15
    4.8 (6 Reviews)
    Sale
    Add to Cart for Price
    List Price: $179.96
    Out of Stock, Backorder OK View More Options
  10. Adams Arms AR-15 Pistol PDW Tactical Elite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7...
    $699.60
    Available
  11. Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel Flip Up Rear Sight
    $679.99
    Available
  12. Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid...
    $719.87
    Available
  13. Adams Arms AR-15 Base MOE A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $579.99
    Available
  14. Alexander Arms AR-15 AWS A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    $1,139.99
    Available
  15. Wheeler Engineering Delta Series Upper Receiver Vise Block Clamp AR-15
    Sale
    $21.49
    Save $2.50 (10%)
    Available
  16. Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assembly Carbine 5.56x45mm NATO 16" ...
    $699.46
    Available
  17. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $1,133.55
    Available
  18. Noveske AR-15 Light Recce Lo-Pro A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel NSR-13.5 Fr...
    $1,410.75
    Available
  19. Alexander Arms AR-15 Precision A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    $979.99
    Available
  20. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    $1,130.50
    Available
  21. Alexander Arms AR-15 Entry A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    $758.99
    Available
  22. Adams Arms AR-15 Pistol Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 11.5" B...
    $699.46
    Out of Stock, Backorder OK
    What are product arrival notifications?
  23. Advanced Armament Co (AAC) AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 12.5" Barrel
    $999.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  24. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 1 in 9" Twist 20" Government Contour Barrel
    $419.99
    Available
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