Showing 1 - 24 of 141 results
  1. Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 16" Barrel
    5.0 (22 Reviews)
    Sale
    $619.99
    Save $40.00 (6%)
    Available
  2. Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 20" Barrel
    4.9 (18 Reviews)
    Sale
    $649.99
    Save $50.00 (7%)
    Out of Stock, Backorder OK
    What are product arrival notifications?
  3. DPMS AR-15 A2 Upper Receiver Assembly 5.56x45mm NATO 20" Barrel A2 Handguard
    4.6 (16 Reviews)
    Sale
    $429.99
    Save $54.00 (11%)
    Available
  4. Alexander Arms AR-15 AWS A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    5.0 (6 Reviews)
    $1,139.99
    Available
  5. Bushmaster XM15 AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.9 (15 Reviews)
    $419.99
    Available
  6. Bushmaster AR-15 Patrolman M4 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.8 (31 Reviews)
    Sale
    $399.99
    Save $75.00 (16%)
    Available
  7. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (5 Reviews)
    $1,130.50
    Available
  8. Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid Length
    4.2 (26 Reviews)
    $719.87
    Available
  9. DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Chrome Moly Matte Barrel
    4.8 (104 Reviews)
    Sale
    $459.99
    Save $52.00 (10%)
    Available
  10. Alexander Arms AR-15 Overwatch A3 Upper Receiver Assembly 6.5 Grendel 24" Barrel
    4.5 (29 Reviews)
    $849.99
    Available
  11. Bushmaster XM15 AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    $739.99
    Available
  12. Alexander Arms AR-15 Entry A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    4.6 (42 Reviews)
    Sale
    $659.99
    Save $99.00 (13%)
    Available
  13. Alexander Arms AR-15 Precision A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    $979.99
    Available
  14. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Flip Up Rear Sight
    5.0 (3 Reviews)
    $627.00
    Available
  15. Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.6 (18 Reviews)
    $840.00
    Available
  16. DPMS AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 20" Barrel A2 Handguard
    4.7 (23 Reviews)
    Sale
    $514.99
    Save $58.00 (10%)
    Available
  17. Olympic Arms AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    4.7 (27 Reviews)
    $575.99
    Available
  18. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Monolithic Rail Flip Up Sights
    $895.00
    Available
  19. Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    4.3 (7 Reviews)
    $419.99
    Available
  20. Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel Flip Up Rear Sight
    $627.00
    Available
  21. Daniel Defense AR-15 DDM4v9 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $1,025.00
    Available
  22. Advanced Armament Co (AAC) AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    4.6 (14 Reviews)
    Sale
    $859.99
    Save $90.00 (9%)
    Available
  23. Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45mm NATO 10.3" Barrel
    4.3 (7 Reviews)
    $1,091.55
    Available
  24. Colt AR-15 SOCOM A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    3.7 (3 Reviews)
    $727.00
    Available
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