Showing 1 - 20 of 328 results
  1. Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 16" Barrel
    5.0 (20 Reviews)
    $659.99
    Available
  2. Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 20" Barrel
    4.9 (18 Reviews)
    $699.99
    Available
  3. Del-Ton M4 MOE Carbine Kit AR-15 5.56x45mm NATO 1 in 9" Twist 16" Medium Contour Barrel
    4.8 (38 Reviews)
    Sale
    $499.99
    Save $87.00 (15%)
    Available
  4. Shilen Drop-In Match Barrel with Bolt AR-15 6.5 Grendel Service Rifle HBAR Contour 1 in 9" Twist 20" Stainless Steel
    4.7 (14 Reviews)
    $463.99
    Available
  5. DoubleStar AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" 1 in 8" Twist HBAR Contour Barrel
    $509.99
    Available
  6. Syrac Ordnance Gen II Click-Adjustable Gas Block AR-15, LR-308 Standard Barrel 0.750" Inside Diameter Low Profile Black Melonite
    4.9 (15 Reviews)
    $96.00
    Available
  7. Alexander Arms AR-15 AWS A3 Upper Receiver Assembly 50 Beowulf 16.5" Barrel
    5.0 (6 Reviews)
    $1,139.99
    Available
  8. Yankee Hill Machine Gas Block Low Profile Set Screw AR-15, LR-308 Standard Barrel 0.750" Inside Diameter Steel Matte
    4.1 (108 Reviews)
    $22.99
    Available
  9. Del-Ton Mid-Length Carbine Kit AR-15 5.56x45mm NATO 1 in 9" Twist 16" Heavy Contour Barrel
    4.7 (46 Reviews)
    $489.99
    Available
  10. Del-Ton Mid-Length Carbine Kit AR-15 5.56x45mm NATO 1 in 7" Twist 16" Chrome Lined Heavy Contour Barrel
    4.9 (33 Reviews)
    $524.99
    Available
  11. Bushmaster XM15 AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    $739.99
    Available
  12. DPMS AR-15 Oracle A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Chrome Moly Matte Barrel
    4.7 (105 Reviews)
    $511.99
    Available
  13. Del-Ton Rifle Kit AR-15 5.56x45mm NATO 1 in 9" Twist 20" Government Contour Barrel
    4.8 (34 Reviews)
  14. Del-Ton M4 Carbine Kit AR-15 5.56x45mm NATO 1 in 9" Twist 16" M4 Contour Barrel
    4.7 (68 Reviews)
  15. AR-Stoner Barrel AR-15 6x45mm (6mm-223 Remington) HBAR Contour 1 in 8" Twist 20" Stainless Steel
    4.8 (17 Reviews)
    Sale
    $209.99
    Save $16.00 (7%)
    Available
  16. Noveske AR-15 Rogue Hunter A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel
    5.0 (3 Reviews)
    $1,130.50
    Available
  17. Alexander Arms AR-15 Overwatch A3 Upper Receiver Assembly 6.5 Grendel 24" Barrel
    4.5 (28 Reviews)
    $849.99
    Available
  18. DoubleStar AR-15 Pistol A3 Upper Receiver Assembly 300 AAC Blackout 9" 1 in 8" Twist HBAR Contour Barrel
    $569.99
    Available
  19. Bushmaster AR-15 Patrolman M4 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel
    4.8 (23 Reviews)
    Sale
    $399.99
    Save $75.00 (16%)
    Available
  20. AR-Stoner Barrel AR-15 Pistol 5.56x45mm NATO Medium Contour 1 in 7" Twist 10.5" Chrome Moly Melonite Coated
    4.4 (18 Reviews)
    $119.99
    Available
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