Showing 1 - 24 of 189 results
  1. DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Chrome Moly Matte Barrel
    4.7 (101 Reviews)
    $426.99
    Available
  2. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (3 Reviews)
    $1,130.50
    Available
  3. Del-Ton AR-15 Pistol A3 Upper Receiver Assembly 5.56x45mm NATO 11.5" Barrel
    4.2 (6 Reviews)
    $432.99
    Available
  4. DPMS AR-15 AP4 A3 Conversion Upper Receiver Assembly 22 Long Rifle 16" Barrel
    4.7 (34 Reviews)
    $429.99
    Available
  5. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    5.0 (3 Reviews)
    $1,133.55
    Available
  6. Olympic Arms AR-15 A3 Upper Receiver Assembly 7.62x39mm 16" Barrel
    4.6 (24 Reviews)
    $575.99
    Available
  7. Wilson Combat AR-15 A3 Upper Receiver Assembly 458 SOCOM 16" Barrel
    4.5 (2 Reviews)
    $1,195.17
    Clearance1 at this price Save $139.82 (10%)
    Available
  8. Alexander Arms AR-15 AWS A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    5.0 (4 Reviews)
    $1,139.99
    Out of Stock, Backorder OK
  9. DPMS AR-15 A3 Conversion Upper Receiver Assembly 22 Long Rifle 16" Barrel
    4.6 (17 Reviews)
    $419.99
    Available
  10. Colt AR-15 Pistol Flat-Top Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel Flip Up Rear Sight
    $627.00
    Available
  11. Noveske AR-15 Pistol Light Shorty Basic A3 Upper Receiver Assembly 5.56x45mm NATO 10.5" Barrel
    4.5 (2 Reviews)
    $836.55
    Available
  12. DPMS AR-15 A3 Upper Receiver Assembly 223 Remington, 1 in 9" Twist, 20" Bull Barrel
    4.6 (37 Reviews)
    $611.99
    Available
  13. AO Precision Upper Receiver Stripped AR-15 M4 Flat-Top Matte
    4.2 (42 Reviews)
    $76.99
    Available
  14. Alexander Arms AR-15 Precision A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    $979.99
    Out of Stock, Backorder OK
  15. AR57 AR-15 Generation 2 A3 Upper Receiver Assembly 5.7x28mm FN 16" Barrel
    3.7 (3 Reviews)
    $768.99
    Available
  16. DPMS AR-15 A3 Upper Receiver Assembly 223 Remington 1 in 9" Twist 16" Bull Barrel
    4.8 (32 Reviews)
    $591.99
    Available
  17. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 7" Twist M4 Contour Barrel
    4.9 (19 Reviews)
    $463.99
    Out of Stock, Backorder OK
  18. DoubleStar Upper Receiver Assembled AR-15 A3 Flat-Top Matte Black
    4.3 (28 Reviews)
    $124.99
    Available
  19. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Flip Up Rear Sight
    $627.00
    Available
  20. Alexander Arms AR-15 Pistol A3 Upper Receiver Assembly 50 Beowulf 12" Barrel
    5.0 (2 Reviews)
    $969.99
    Available
  21. Colt AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Monolithic Rail Flip Up Sights
    $895.00
    Available
  22. Yankee Hill Machine Upper Receiver Stripped AR-15 A3 Flat-Top Matte
    4.4 (25 Reviews)
    $99.00
    Available
  23. DPMS AR-15 Sportical Flat-Top Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.8 (59 Reviews)
    $414.99
    Available
  24. Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" 1 in 9" Twist Lightweight Contour Barrel
    4.8 (12 Reviews)
    $432.99
    Available
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