Showing 1 - 20 of 59 results
  1. DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Chrome Moly Matte Barrel
    4.7 (105 Reviews)
    $511.99
    Available
  2. Bushmaster AR-15 Patrolman M4 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.8 (16 Reviews)
    $429.99
    Sale Save $45.00 (9%)
    Available
  3. Adams Arms AR-15 Base MOE A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.3 (25 Reviews)
    $579.99
    Available
  4. Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.6 (18 Reviews)
    $840.00
    Available
  5. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Flip Up Rear Sight
    $627.00
    Available
  6. Daniel Defense AR-15 DDM4v11 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $939.55
    Available
  7. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Monolithic Rail Flip Up Sights
    $895.00
    Available
  8. 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
  9. 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
  10. Bushmaster XM15 AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.8 (6 Reviews)
  11. Yankee Hill AR-15 Smooth Carbine Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    5.0 (7 Reviews)
    $783.00
    Available
  12. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist M4 Contour Barrel
    4.8 (14 Reviews)
    $429.99
    Available
  13. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 7" Twist Mid Length Medium Contour Barrel
    4.5 (11 Reviews)
    $449.99
    Available
  14. Adams Arms AR-15 Pistol Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    4.4 (7 Reviews)
    $699.46
    Available
  15. Ruger AR-15 SR-556FB Flat-Top Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.8 (4 Reviews)
    $1,249.99
    Available
  16. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.3 (4 Reviews)
    $1,133.55
    Available
  17. DPMS AR-15 3G2 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $789.99
    Available
  18. Colt AR-15 SOCOM A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    3.0 (2 Reviews)
  19. Daniel Defense AR-15 DDM4v11 LW A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
  20. DPMS AR-15 Sportical Flat-Top Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.8 (61 Reviews)
    $496.99
    Available
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