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  1. AR-Stoner AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.7 (23 Reviews)
    Sale
    $299.99
    Save $80.00 (21%)
    Available
  2. Del-Ton M4 MOE M-LOK Carbine Kit AR-15 5.56x45mm NATO 1 in 9" Twist 16" Medium Contour Barrel
    4.7 (43 Reviews)
    $586.99
    Available
  3. Alexander Arms AR-15 AWS A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    5.0 (8 Reviews)
    $1,139.99
    Available
  4. Shilen Drop-In Match Barrel with Bolt AR-15 6.5 Grendel Service Rifle HBAR Contour 1 in 9" Twist ...
    4.8 (16 Reviews)
    $469.99
    Available
  5. Del-Ton M4 Carbine Kit AR-15 5.56x45mm NATO 1 in 9" Twist 16" M4 Contour Barrel
    4.8 (90 Reviews)
    $499.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  6. Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid...
    4.2 (26 Reviews)
    $719.87
    Available
  7. Adams Arms AR-15 Base MOE A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.4 (29 Reviews)
    $579.99
    Available
  8. Del-Ton Rifle Kit AR-15 5.56x45mm NATO 1 in 9" Twist 20" Government Contour Barrel
    4.8 (78 Reviews)
    $489.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  9. Adams Arms AR-15 Pistol PDW Tactical Elite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7...
    4.1 (10 Reviews)
    $699.60
    Available
  10. Daniel Defense AR-15 Pistol MK18 A3 Upper Receiver Assembly 5.56x45mm NATO 10.3" Barrel
    4.4 (8 Reviews)
    $1,091.55
    Available
  11. Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16" Barrel M...
    5.0 (9 Reviews)
    $719.87
    Out of Stock, Backorder OK
    What are product arrival notifications?
  12. DPMS AR-15 AP4 A3 Conversion Upper Receiver Assembly 22 Long Rifle 16" Barrel
    4.8 (43 Reviews)
    $399.99
    List Price: $424.99 Save $25.00 (6%)
    Available
  13. Alexander Arms AR-15 Overwatch A3 Upper Receiver Assembly 6.5 Grendel 24" Barrel
    4.6 (32 Reviews)
    $849.99
    Available
  14. Del-Ton Mid-Length Carbine Kit AR-15 5.56x45mm NATO 1 in 7" Twist 16" Chrome Lined Heavy Contour ...
    4.9 (54 Reviews)
    Sale
    $429.99
    Save $95.00 (18%)
    Out of Stock, Backorder OK
    What are product arrival notifications?
  15. Bushmaster XM15 AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (1 Review)
    $699.99
    Available
  16. Noveske Match Barrel AR-15 Pistol 300 AAC Blackout Medium Contour 1 in 7" Twist 8.5" Stainless St...
    5.0 (2 Reviews)
    $346.50
    Available
  17. Noveske Match Barrel AR-15 Pistol 300 AAC Blackout Medium Contour 1 in 7" Twist 10.5" Stainless S...
    5.0 (2 Reviews)
    $346.50
    Available
  18. Adams Arms AR-15 Pistol PDW Tactical Evo A3 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 7.5...
    4.0 (11 Reviews)
    $699.60
    Available
  19. Syrac Ordnance Gen II Click-Adjustable Clamp On Gas Block AR-15, LR-308 Standard Barrel 0.750" In...
    4.3 (9 Reviews)
    $102.00
    Available
  20. Olympic Arms AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    4.7 (27 Reviews)
    $575.99
    Available
  21. Yankee Hill Machine Gas Block Low Profile Set Screw AR-15, LR-308 Standard Barrel 0.750" Inside D...
    4.2 (120 Reviews)
    $22.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  22. Adams Arms AR-15 Tactical Elite A3 Gas Piston Upper Receiver Assembly Carbine 5.56x45mm NATO 16" ...
    $699.46
    Available
  23. Daniel Defense AR-15 DDM4v11 Pro A3 Upper Receiver Assembly 5.56x45mm NATO 18" Barrel
    5.0 (1 Review)
    $1,215.00
    Available
  24. Del-Ton Mid-Length Carbine Kit AR-15 5.56x45mm NATO 1 in 9" Twist 16" Heavy Contour Barrel
    4.7 (51 Reviews)
    $489.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
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