Showing 1 - 17 of 17 results
  1. DoubleStar AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" 1 in 8" Twist HBAR Contour Barrel
    $509.99
    Available
  2. Bushmaster XM15 AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    $739.99
    Available
  3. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (3 Reviews)
    $1,130.50
    Available
  4. DoubleStar AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 9" 1 in 8" Twist HBAR Contour Barrel
    $569.99
    Available
  5. DoubleStar AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 7.5" 1 in 8" Twist HBAR Contour Barrel
  6. CMMG AR-15 Mk4 T Upper Receiver Assembly 300 AAC Blackout 16" Salt Bath Nitride Finished Chrome Moly Barrel
    $689.99
    Available
  7. Noveske AR-15 N4 Lo-Pro Gen III A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (2 Reviews)
  8. CMMG AR-15 Mk4 T Upper Receiver Assembly 300 AAC Blackout 16" 416 Stainless Steel Barrel
    4.0 (1 Review)
    $749.99
    Available
  9. CMMG AR-15 M4 LE A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel Single Rail Gas Block
    4.4 (28 Reviews)
    Clearance7 at this price
    $543.91
    Save $136.08 (20%)
    Available
  10. Advanced Armament Co (AAC) AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    4.6 (14 Reviews)
    Sale
    $749.99
    Save $200.00 (21%)
    Out of Stock, Backorder OK
    What are product arrival notifications?
  11. Noveske AR-15 Light Recce Basic A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (2 Reviews)
    $851.99
    Available
  12. Advanced Armament Co (AAC) AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 12.5" Barrel
    4.3 (3 Reviews)
    $949.99
    Available
  13. Olympic Arms AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    4.0 (3 Reviews)
    $617.99
    Available
  14. CMMG AR-15 M4 LE A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel A2 Front Sight
    4.0 (4 Reviews)
    $719.99
    Available
  15. Advanced Armament Co (AAC) AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 9" Barrel
    4.7 (7 Reviews)
  16. DPMS AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel GlacierGuard Handguard Single Rail Gas Block A2 Flash Hider
    4.6 (25 Reviews)
  17. DPMS AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel M111 Mid Length FF Handguard AAC Blackout Flash Hider
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