1. AR-Stoner AR-15 Side Charging Upper Receiver Assembly 5.56 16" Barrel with 15" M-Lok Handguard
    AR-Stoner AR-15 Side Charging Upper Receiver Assembly 5.56 16" Barr... 4.4 (16 Reviews)
    Sale
    $449.99
    Regular Price: $499.99 Save $50.00 (10%)
    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 4.7 (358 Reviews)
    $399.99
    Available
  3. 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 ... 4.9 (8 Reviews)
    $509.99
    Available
  4. 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
    Available
  5. New Arrival Banner
    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
    Available
  6. 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... 4.8 (13 Reviews)
    $679.99
    Available
  7. Daniel Defense AR-15 DDM4v11 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Daniel Defense AR-15 DDM4v11 A3 Upper Receiver Assembly 5.56x45mm N...
    $940.00
    Available
  8. Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver Assembly ... 4.3 (24 Reviews)
    $866.20
    Available
  9. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 5.56x45mm NAT... 4.5 (6 Reviews)
    $1,133.55
    Available
  10. HK AR-15 MR556 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16.5" Barrel
    HK AR-15 MR556 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16... 5.0 (5 Reviews)
    $1,799.99
    Available
  11. Noveske AR-15 Light Recce Lo-Pro A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel NSR-13.5 Fr...
    Noveske AR-15 Light Recce Lo-Pro A3 Upper Receiver Assembly 5.56x45...
    $1,410.75
    Available
  12. 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... 4.7 (129 Reviews) Available
  13. Adams Arms AR-15 P1 Gas Piston Upper Receiver Assembly 5.56x45mm NATO 16'' Barrel
    Adams Arms AR-15 P1 Gas Piston Upper Receiver Assembly 5.56x45mm NA... Available
  14. JP Enterprises AR-15 JP15 Upper Receiver Assembly 223 Remington (Wylde) 16" Barrel
    JP Enterprises AR-15 JP15 Upper Receiver Assembly 223 Remington (Wy... 5.0 (3 Reviews)
    $1,369.99
    Available
  15. 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
  16. 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 ... 5.0 (25 Reviews)
    $419.99
    Available
  17. 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 ... 5.0 (23 Reviews)
    $459.99
    Available
  18. 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 ... 4.6 (39 Reviews)
    $429.99
    Available
  19. Daniel Defense AR-15 DDM4v11 LW A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Daniel Defense AR-15 DDM4v11 LW A3 Upper Receiver Assembly 5.56x45m...
    $940.00
    Out of Stock, Backorder OK
    What are product arrival notifications?
  20. Bushmaster AR-15 Patrolman M4 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    Bushmaster AR-15 Patrolman M4 A3 Upper Receiver Assembly 5.56x45mm ... 4.6 (89 Reviews) Available
  21. 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 ... 4.5 (15 Reviews)
    $449.99
    Available
  22. 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... 4.7 (12 Reviews)
    $569.99
    Available
  23. 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
  24. Smith & Wesson M&P15 TS AR-15 Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel 1 in 7" with Pe...
    Smith & Wesson M&P15 TS AR-15 Upper Receiver Assembly 5.56x45mm NAT... 5.0 (1 Review) Available
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