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  1. AR-Stoner AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.6 (177 Reviews)
    Sale
    $329.99
    Save $70.00 (17%)
    Available
  2. AR-Stoner Carbine Kit with Complete Upper Assembly AR-15 5.56x45mm NATO 1 in 9" Twist 16" Barrel
    4.6 (40 Reviews)
    $459.99
    List Price: $509.97 Save $49.98 (9%)
    Available
  3. AR-Stoner AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    4.7 (29 Reviews)
    $399.99
    Available
  4. Alexander Arms AR-15 Overwatch A3 Upper Receiver Assembly 6.5 Grendel 24" Barrel
    4.6 (41 Reviews)
    Sale
    $759.99
    Save $90.00 (10%)
    Available
  5. Alexander Arms AR-15 Entry A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    4.5 (50 Reviews)
    Sale
    $719.99
    Save $39.00 (5%)
    Available
  6. Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel M...
    5.0 (10 Reviews)
    $719.87
    Available
  7. Adams Arms AR-15 Base MOE A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.4 (31 Reviews)
    $579.99
    Available
  8. Adams Arms AR-15 Pistol Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 11.5" B...
    4.6 (9 Reviews)
    $699.46
    Available
  9. Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel Flip Up Rear Sight
    $627.00
    Available
  10. Noveske AR-15 Light Recce Lo-Pro A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel NSR-13.5 Fr...
    $1,410.75
    Available
  11. Alexander Arms AR-15 Precision A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    3.8 (5 Reviews)
    $979.99
    Available
  12. Alexander Arms AR-15 AWS A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    5.0 (8 Reviews)
    $1,139.99
    Available
  13. Noveske AR-15 N4 Lo-Pro Gen III A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    $1,371.15
    Available
  14. DPMS AR-15 AP4 A3 Conversion Upper Receiver Assembly 22 Long Rifle 16" Barrel
    4.8 (47 Reviews)
    $399.99
    List Price: $424.99 Save $25.00 (5%)
    Out of Stock, Backorder OK
    What are product arrival notifications?
  15. Noveske AR-15 Pistol Light Shorty Lo-Pro A3 Upper Receiver Assembly 5.56x45mm NATO 10.5" Barrel
    $1,217.70
    Available
  16. Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    4.6 (12 Reviews)
    $419.99
    Available
  17. JP Enterprises AR-15 JP15 Upper Receiver Assembly 223 Remington (Wylde) 16" Barrel
    5.0 (3 Reviews)
    $1,369.99
    Available
  18. Daniel Defense AR-15 DDM4v11 Pro A3 Upper Receiver Assembly 5.56x45mm NATO 18" Barrel
    5.0 (2 Reviews)
    $1,215.00
    Out of Stock, Backorder OK
    What are product arrival notifications?
  19. Daniel Defense AR-15 DDM4v11 LW A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $940.00
    Available
  20. Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.6 (20 Reviews)
    $840.00
    Out of Stock, Backorder OK
    What are product arrival notifications?
  21. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist Mid Length Heavy...
    5.0 (25 Reviews)
    $419.99
    Available
  22. Del-Ton AR-15 Extreme Duty A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.6 (11 Reviews)
    $569.99
    Available
  23. Daniel Defense AR-15 DDM4v11 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $940.00
    Out of Stock, Backorder OK
    What are product arrival notifications?
  24. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    $1,130.50
    Out of Stock, Backorder OK
    What are product arrival notifications?
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