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  1. AR-Stoner AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    AR-Stoner AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $399.99
    Available
  2. DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Chrome Moly Matte Barrel
    DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Bar...
    $399.99
    Available
  3. Adams Arms AR-15 Evo XLP A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Adams Arms AR-15 Evo XLP A3 Gas Piston Upper Receiver Assembly 5.56...
    $759.87
    Available
  4. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Flip Up Rear Sight
    Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Fli...
    $679.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  5. Adams Arms AR-15 Base A3 Gas Piston Upper Receiver Assembly Carbine 5.56x45mm NATO 16" Barrel
    Adams Arms AR-15 Base A3 Gas Piston Upper Receiver Assembly Carbine...
    $529.58
    Available
  6. Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel Monolithic Rail Flip Up Sights
    Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm NATO 14.5" Barr...
    $959.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  7. JP Enterprises AR-15 JP15 Upper Receiver Assembly 223 Remington (Wylde) 16" Barrel
    JP Enterprises AR-15 JP15 Upper Receiver Assembly 223 Remington (Wy...
    $1,369.99
    Available
  8. Adams Arms AR-15 Base A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid Length
    Adams Arms AR-15 Base A3 Gas Piston Upper Receiver Assembly 5.56x45...
    $550.64
    Out of Stock, Backorder OK
    What are product arrival notifications?
  9. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist Mid Length Heavy...
    Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel ...
    $419.99
    Available
  10. Del-Ton AR-15 Dissipator A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Del-Ton AR-15 Dissipator A3 Upper Receiver Assembly 5.56x45mm NATO ...
    $429.99
    Available
  11. Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assembly Carbine 5.56x45mm NATO 16" ...
    Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assemb...
    $699.46
    Out of Stock, Backorder OK
    What are product arrival notifications?
  12. Del-Ton AR-15 Extreme Duty A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Del-Ton AR-15 Extreme Duty A3 Upper Receiver Assembly 5.56x45mm NAT...
    $569.99
    Available
  13. Adams Arms AR-15 Evo XLP A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel
    Adams Arms AR-15 Evo XLP A3 Gas Piston Upper Receiver Assembly 5.56...
    $785.78
    Available
  14. CMMG AR-15 Mk4 T Upper Receiver Assembly 5.56x45mm NATO 16" Salt Bath Nitride Finished Chrome Mol...
    CMMG AR-15 Mk4 T Upper Receiver Assembly 5.56x45mm NATO 16" Salt Ba...
    $689.99
    Available
  15. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 7" Twist M4 Contour Barrel
    Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel ...
    $459.99
    Available
  16. Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly Carbine 5.56x45mm NATO 16" Ba...
    Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly...
    $699.46
    Out of Stock, Backorder OK
    What are product arrival notifications?
  17. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 7" Twist Mid Length Mediu...
    Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel ...
    $449.99
    Available
  18. DPMS AR-15 Sportical Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    DPMS AR-15 Sportical Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    $429.99
    Available
  19. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist M4 Contour Barrel
    Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel ...
    $429.99
    Available
  20. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist Mid Length Light...
    Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel ...
    $419.99
    Available
  21. CMMG AR-15 Mk4 T Upper Receiver Assembly 5.56x45mm NATO 16" 416 Stainless Steel Barrel
    CMMG AR-15 Mk4 T Upper Receiver Assembly 5.56x45mm NATO 16" 416 Sta...
    $739.99
    Available
  22. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" 1 in 9" Twist Lightweight Contour Barrel
    Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" 1 in 9"...
    $419.99
    Available
  23. Adams Arms AR-15 C.O.R. Ultra Lite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16.5" Bar...
    Adams Arms AR-15 C.O.R. Ultra Lite A3 Gas Piston Upper Receiver Ass...
    $998.95
    Out of Stock, Backorder OK
    What are product arrival notifications?
  24. Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel M...
    Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assemb...
    $719.87
    Out of Stock, No Backorder
    What are product arrival notifications?
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