Showing 1 - 20 of 129 results
  1. DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Chrome Moly Matte Barrel
    4.7 (104 Reviews)
    $511.99
    Available
  2. Alexander Arms AR-15 Overwatch A3 Upper Receiver Assembly 6.5 Grendel 24" Barrel
    4.4 (20 Reviews)
    $849.99
    Available
  3. Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.6 (18 Reviews)
    $840.00
    Available
  4. Adams Arms AR-15 Base MOE A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.3 (25 Reviews)
    $579.99
    Available
  5. Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    4.2 (6 Reviews)
    $432.99
    Available
  6. 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
  7. Wilson Combat AR-15 A3 Upper Receiver Assembly 458 SOCOM 16" Barrel
    4.7 (3 Reviews)
    $1,334.99
    Available
  8. Advanced Armament Co (AAC) AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    4.7 (12 Reviews)
    $1,079.99
    Available
  9. 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
  10. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Flip Up Rear Sight
    $627.00
    Available
  11. Colt AR-15 Pistol Flat-Top Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel Flip Up Rear Sight
    $627.00
    Available
  12. Advanced Armament Co (AAC) AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 9" Barrel
    4.7 (7 Reviews)
    $1,079.99
    Out of Stock, Backorder OK
  13. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (3 Reviews)
    $1,130.50
    Out of Stock, Backorder OK
  14. Del-Ton AR-15 Dissipator A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.7 (32 Reviews)
    $432.99
    Available
  15. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Monolithic Rail Flip Up Sights
    $895.00
    Available
  16. 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
  17. Alexander Arms AR-15 Precision A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    $979.99
    Out of Stock, Backorder OK
  18. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 7" Twist M4 Contour Barrel
    4.9 (19 Reviews)
    $463.99
    Available
  19. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist Mid Length Heavy Contour Barrel
    5.0 (22 Reviews)
    $432.99
    Available
  20. Alexander Arms AR-15 Pistol A3 Upper Receiver Assembly 50 Beowulf 12" Barrel
    5.0 (2 Reviews)
    $969.99
    Available

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