1. Adams Arms AR-15 Pistol Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 11.5" B...
    Adams Arms AR-15 Pistol Tactical Evo A3 Gas Piston Upper Receiver A... 4.6 (11 Reviews)
    $699.46
    Available
  2. War Sport AR-15 LVOA-C Upper Receiver Assembly 223 Wylde 14.7" Barrel LVOA-C Rail Handguard
    War Sport AR-15 LVOA-C Upper Receiver Assembly 223 Wylde 14.7" Barr... 5.0 (1 Review)
    $1,399.99
    Available View More Options
  3. Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel Flip Up Rear Sight
    Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barr... 3.8 (11 Reviews)
    $679.99
    Available
  4. Noveske AR-15 Pistol Light Shorty Basic A3 Upper Receiver Assembly 5.56x45mm NATO 10.5" Barrel
    Noveske AR-15 Pistol Light Shorty Basic A3 Upper Receiver Assembly ... 4.4 (5 Reviews)
    $836.55
    Available
  5. Adams Arms AR-15 Pistol PDW Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7.5...
    Adams Arms AR-15 Pistol PDW Tactical Evo A3 Gas Piston Upper Receiv... 4.1 (12 Reviews)
    $699.60
    Out of Stock, Backorder OK
    What are product arrival notifications?
  6. Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5... 4.6 (13 Reviews)
    $419.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  7. War Sport AR-15 LVOA-S Upper Receiver Assembly 223 Wylde 11.75" Barrel LVOA-S Rail Handguard
    War Sport AR-15 LVOA-S Upper Receiver Assembly 223 Wylde 11.75" Bar...
    $1,399.99
    Available View More Options
  8. Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel
    Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 14.5... 3.9 (7 Reviews)
    $429.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  9. Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45mm NATO 10.3" Barrel Mil-Spec+
    Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45... 4.4 (8 Reviews)
    $1,092.00
    Out of Stock, No Backorder
    What are product arrival notifications?
  10. Adams Arms AR-15 Pistol PDW Tactical Elite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7...
    Adams Arms AR-15 Pistol PDW Tactical Elite A3 Gas Piston Upper Rece... 4.3 (12 Reviews)
    $699.60
    Out of Stock, No Backorder
    What are product arrival notifications?
  11. Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45mm NATO 10.3" Barrel Black
    Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45...
    $1,092.00
    Out of Stock, No Backorder
    What are product arrival notifications?
  12. Noveske AR-15 Pistol Light Shorty Lo-Pro A3 Upper Receiver Assembly 5.56x45mm NATO 10.5" Barrel
    Noveske AR-15 Pistol Light Shorty Lo-Pro A3 Upper Receiver Assembly... 5.0 (1 Review)
    $1,217.70
    Out of Stock, No Backorder
    What are product arrival notifications?
  13. Adams Arms AR-15 Pistol PDW Base A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7.5" Barrel
    Adams Arms AR-15 Pistol PDW Base A3 Gas Piston Upper Receiver Assem... 4.3 (12 Reviews)
    $735.00
    Out of Stock, No Backorder
    What are product arrival notifications?
  14. Adams Arms AR-15 Pistol Evo Ultra Lite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5"...
    Adams Arms AR-15 Pistol Evo Ultra Lite A3 Gas Piston Upper Receiver... 4.3 (8 Reviews)
    $786.77
    Out of Stock, No Backorder
    What are product arrival notifications?
  15. Adams Arms AR-15 Pistol Evo XLP A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel
    Adams Arms AR-15 Pistol Evo XLP A3 Gas Piston Upper Receiver Assemb... 4.5 (2 Reviews)
    $759.87
    Out of Stock, No Backorder
    What are product arrival notifications?
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