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Showing 1 - 24 of 131 results
  1. DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Chrome Moly Matte Barrel
    4.7 (102 Reviews)
    $511.99
    Available
  2. Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.6 (18 Reviews)
    $840.00
    Available
  3. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (3 Reviews)
    $1,130.50
    Available
  4. Advanced Armament Co (AAC) AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 9" Barrel
    4.7 (7 Reviews)
    $1,079.99
    Available
  5. Adams Arms AR-15 Pistol PDW Base A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7.5" Barrel
    4.5 (8 Reviews)
    $735.00
    Available
  6. Adams Arms AR-15 Base MOE A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.3 (25 Reviews)
    $579.99
    Available
  7. Noveske AR-15 N4 Lo-Pro Gen III A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (1 Review)
    $1,371.15
    Available
  8. Olympic Arms AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    4.6 (25 Reviews)
    $575.99
    Available
  9. Wilson Combat AR-15 A3 Upper Receiver Assembly 458 SOCOM 16" Barrel
    4.7 (3 Reviews)
    $1,334.99
    Available
  10. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    5.0 (3 Reviews)
    $1,133.55
    Available
  11. Alexander Arms AR-15 AWS A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    5.0 (4 Reviews)
    $1,139.99
    Out of Stock, Backorder OK
  12. Advanced Armament Co (AAC) AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    4.7 (12 Reviews)
    $1,079.99
    Available
  13. Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid Length
    4.1 (25 Reviews)
    $719.87
    Available
  14. Yankee Hill AR-15 Smooth Carbine Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    5.0 (7 Reviews)
    $783.00
    Available
  15. Adams Arms AR-15 C.O.R. Ultra Lite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16.5" Barrel No Sights
    2.9 (8 Reviews)
    $998.95
    Available
  16. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist M4 Contour Barrel
    4.8 (14 Reviews)
    $432.99
    Available
  17. DPMS AR-15 A3 Upper Receiver Assembly 223 Remington 1 in 9" Twist 16" Bull Barrel
    4.8 (32 Reviews)
    $594.99
    Available
  18. Noveske AR-15 Pistol Light Shorty Lo-Pro A3 Upper Receiver Assembly 5.56x45mm NATO 10.5" Barrel
    $1,217.70
    Available
  19. Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    4.0 (5 Reviews)
    $432.99
    Out of Stock, Backorder OK
  20. AR57 AR-15 Generation 2 A3 Upper Receiver Assembly 5.7x28mm FN 16" Barrel
    4.0 (4 Reviews)
    $768.99
    Available
  21. Alexander Arms AR-15 Precision A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    $979.99
    Out of Stock, Backorder OK
  22. CMMG AR-15 M4 LE A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel Single Rail Gas Block
    4.3 (26 Reviews)
    $679.99
    Available
  23. Olympic Arms AR-15 A3 Upper Receiver Assembly 45 ACP 16" Barrel
    4.3 (19 Reviews)
    $719.99
    Out of Stock, Backorder OK
  24. DPMS AR-15 Sportical Flat-Top Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.8 (59 Reviews)
    $496.99
    Available
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