Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm


Category: Product ID: 18994


The Colt AR-15 Upper Receiver Assembly comes complete with Magpul adjustable flip-up rear sight, charging handle, bolt and bolt carrier assembly. The Colt AR-15 Upper Receiver also comes complete with A2 flash hider, M4 polymer handguard, and a barrel with a black parkerized finish. This Upper Receiver Assembly comes with a picatinny-style flattop rail for plenty of accessories, and is more than ready to offer maximum versatility.


  • Magpul Adjustable Flip-Up Rear Sight
  • A2 Flash Hider
  • M4 Polymer Handguard
  • Black Parkerized Barrel Finish
  • Product Information

    Cartridge 5.56x45mm NATO
    Finish Black Parkerized
    Material Aluminum
    Style M4 Polymer
    Barrel Length 14.5 Inches
    Twist 1:7 Inches
    Threads 1/2″-28
    Barrel Contour M4
    Sights Yes
    Barrel Finish Black Parkerized
    Chrome Lined Yes
    Gas Block Diameter 0.75 Inches
    Gas System Length Carbine
    M4 Feed Ramps Yes
    Upper Receiver Type A3 Flat-Top
    Barrel Material Chrome Moly Vanadium Steel
    Handguard M4 Style Polymer
    Bolt Carrier Assembly Included Yes
    Muzzle Device A2 Flash Hider
    Mil-Spec or Commercial Mil-Spec
    Compatible With

    Delivery Information

    Shipping Weight 4.875 Pounds


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