1. AR-STONER AR-15 Optics Ready Upper Receiver Assembly 9mm Luger 16" Barrel
    AR-STONER AR-15 Optics Ready Upper Receiver Assembly 9mm Luger 16" ...
    Sale
    $299.99
    • {{fee.amount}} {{fee.description}}
    Regular Price: $399.99 Save $100.00 (25%)
    Available
  2. 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
    Sale
    $274.99
    • {{fee.amount}} {{fee.description}}
    Regular Price: $399.99 Save $125.00 (31%)
    Available
  3. AR-STONER AR-15 Side Charging Upper Receiver Assembly 5.56x45mm 16" Barrel with 15" M-Lok Handguard
    AR-STONER AR-15 Side Charging Upper Receiver Assembly 5.56x45mm 16"...
    Sale
    $449.99
    • {{fee.amount}} {{fee.description}}
    Regular Price: $499.99 Save $50.00 (10%)
    Available
  4. AR-STONER AR-15 A3 Upper Receiver Assembly 6.5 Grendel 20" Barrel with 15" M-Lok Handguard
    AR-STONER AR-15 A3 Upper Receiver Assembly 6.5 Grendel 20" Barrel w...
    $449.99
    • {{fee.amount}} {{fee.description}}
    Available
  5. AR-STONER AR-15 Competition A3 Upper Receiver Assembly 223 Remington (Wylde) 18" Barrel with 15" ...
    AR-STONER AR-15 Competition A3 Upper Receiver Assembly 223 Remingto...
    $479.99
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    Available
  6. AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 1 in 7" Twist 20" Government Contour Ba...
    AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 1 in 7" T...
    $399.99
    • {{fee.amount}} {{fee.description}}
    Available
  7. AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel with 15" M-Lok Handguard
    AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barre...
    $429.99
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    Available
  8. AR-STONER Carbine Kit with Complete Upper Assembly AR-15 5.56x45mm NATO 1 in 9" Twist 16" Barrel ...
    AR-STONER Carbine Kit with Complete Upper Assembly AR-15 5.56x45mm ...
    $509.99
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    Available
  9. New Arrival Banner
    AR-STONER AR-15 Optics Ready Upper Receiver Assembly .458 SOCOM 16" Barrel
    AR-STONER AR-15 Optics Ready Upper Receiver Assembly .458 SOCOM 16"...
    $599.99
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    Available
  10. AR-STONER AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 8.5" Barrel with 7" M-Lok Hand...
    AR-STONER AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout ...
    $429.99
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    Available
  11. AR-STONER Carbine Kit with Complete Upper Assembly AR-15 7.62x39mm 1 in 10" Twist 16" Barrel and ...
    AR-STONER Carbine Kit with Complete Upper Assembly AR-15 7.62x39mm ...
    $509.99
    • {{fee.amount}} {{fee.description}}
    Available
  12. AR-STONER AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel with 10" M-Lok Hand...
    AR-STONER AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11...
    $429.99
    • {{fee.amount}} {{fee.description}}
    Available
  13. AR-STONER AR-15 Optics Ready Upper Receiver Assembly 450 Bushmaster 16" Barrel
    AR-STONER AR-15 Optics Ready Upper Receiver Assembly 450 Bushmaster...
    Clearance
    $402.78
    • {{fee.amount}} {{fee.description}}
    Regular Price: $599.99 Save $197.21 (32%)
    Available
  14. AR-STONER AR-15 A3 Upper Receiver Assembly 22 Nosler 18" SS Fluted Barrel with 15" M-Lok Handguard
    AR-STONER AR-15 A3 Upper Receiver Assembly 22 Nosler 18" SS Fluted ...
    Clearance 15 at this price
    $438.35
    • {{fee.amount}} {{fee.description}}
    Regular Price: $499.99 Save $61.64 (12%)
    Available
  15. AR-STONER AR-15 A3 Billet Upper Receiver Assembly 5.56x45mm NATO 16" Barrel with 15" Ultralight M...
    AR-STONER AR-15 A3 Billet Upper Receiver Assembly 5.56x45mm NATO 16...
    $599.99
    • {{fee.amount}} {{fee.description}}
    Available
  16. AR-STONER AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel with 15" M-Lok Handguard
    AR-STONER AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Bar...
    $499.99
    • {{fee.amount}} {{fee.description}}
    Available
  17. AR-STONER AR-15 Optics Ready Upper Receiver Assembly 5.56x45mm 16" Barrel
    AR-STONER AR-15 Optics Ready Upper Receiver Assembly 5.56x45mm 16" ...
    $389.99
    • {{fee.amount}} {{fee.description}}
    Available
  18. New Arrival Banner
    AR-STONER AR-15 Optics Ready Upper Receiver Assembly 5.56x45mm 10.5" Barrel
    AR-STONER AR-15 Optics Ready Upper Receiver Assembly 5.56x45mm 10.5...
    $369.99
    • {{fee.amount}} {{fee.description}}
    Available
  19. 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...
    $1,146.00
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,206.00
    Available
  20. CMMG Mk4 DTR2 AR-15 A3 Upper Receiver Assembly 224 Valkyrie 24" 416 Stainless Steel Barrel
    CMMG Mk4 DTR2 AR-15 A3 Upper Receiver Assembly 224 Valkyrie 24" 416...
    $849.99
    • {{fee.amount}} {{fee.description}}
    MSRP: $899.95
    Available
  21. AR-STONER AR-15 Side Charging Upper Receiver Assembly 300 AAC Blackout 16" Barrel with 15" M-Lok ...
    AR-STONER AR-15 Side Charging Upper Receiver Assembly 300 AAC Black...
    $449.99
    • {{fee.amount}} {{fee.description}}
    Available
  22. AR-STONER AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    AR-STONER AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    $399.99
    • {{fee.amount}} {{fee.description}}
    Out of Stock, Backorder OK
    What are product arrival notifications?
  23. AR-STONER AR-15 Dissipator A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    AR-STONER AR-15 Dissipator A3 Upper Receiver Assembly 5.56x45mm NAT...
    $399.99
    • {{fee.amount}} {{fee.description}}
    Available
  24. 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...
    $1,146.00
    • {{fee.amount}} {{fee.description}}
    MSRP: $1,206.00
    Available
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