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AR-15 Blemished Upper Assembly – 16″ / .223 | 5.56 / 1:8 / 15″ CBC Arms Gen 2 Keymod AR-15 Handguard / Rail

Icon - 5.56 NATO AR CaliberIcon - 1:8 Twist RateIcon - 16 AR Barrel
(3 customer reviews)

This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 16 inch, 4150 chrome moly barrel that is chambered in 5.56 NATO and has a black nitride finish. The upper receiver is a forged M4 flat top upper, allowing you to easily attach rifle scopes and red dot sights to the picatinny rail. This is a blemished item and it may have a rough appearance due primarily but not limited to milling, dents, scratches, uneven finish, and missing or poorly applied stenciling. The term blemished applies to any defect to the appearance of the item or assembly and does not affect its function.

$299.00 $229.00

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Description

This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 16 inch, 4150 chrome moly barrel that is chambered in 5.56 NATO and has a black nitride finish. The upper receiver is a forged M4 flat top upper, allowing you to easily attach rifle scopes and red dot sights to the picatinny rail. This is a blemished item and it may have a rough appearance due primarily but not limited to milling, dents, scratches, uneven finish, and missing or poorly applied stenciling. The term blemished applies to any defect to the appearance of the item or assembly and does not affect its function.

ar-15-upper-assembly-16-5-56x45-1-7-midlength-15-cbc-arms-keymod-gen-2-ar-15-handguard-rail

Outfitted with a 15″ Gen 2 Keymod Rail that features a seven-sided keymod design, resulting in 200% more attachable surface area of a standard keymod rail. The rail also features a full-length picatinny top rail that sits flush with the upper receiver and has anti-rotation tabs to keep it locked in place. This upper assembly comes with a standard A2 flash hider that effectively suppresses muzzle flash and protects the 1/2×28 barrel threads if you are planning on adding a muzzle break in the future.

  • 7075-T6 Aluminum
  • Mil-Spec Anodized Receiver
  • Carbine Length Gas Tube Assembly
  • 16″ 5.56 NATO Barrel
  • 4150 Chrome Moly Steel Nitride Coated Barrel
  • Standard Flash Hider
  • Twist Rate: 1:8
  • 15″ CBC Arms Gen 2 Keymod handguard/rail
  • Does Not Include Bolt Carrier Group & Charging Handle

Product Details: AR-15 Blemished Upper Assembly – 16″ / .223 | 5.56 / 1:8 / 15″ CBC Arms Gen 2 Keymod AR-15 Handguard / Rail

➲ Keymod Handguard

Your AR-15 handguard has huge implications in terms of how much you enjoy your shooting experience. Our seven sided Keymod handguard is built to handle the hardest use and abuse of tactical and competitive shooting while offering more versatility than other handguards. It features a full-length picatinny top rail that sits flush with M4 flat top receivers allowing you to have more space for optics and back up iron sights. Due to the “7 sided design”, this rail has more than 200% more attachable surface area of a standard keymod rail. This AR-15 handguard is machined from 6061 aluminum, has a hard coat anodized black finish.

➲ Upper Receiver

The foundation of all good AR's is built upon a dependable upper receiver. CBC upper receivers offer best-in-class quality while providing you years of dependable service. Boasting a MIL-SPEC type III hard coat anodized finish and machined from 7075-T6 forged aluminum, this M4 flat-top receiver delivers a lifetime of superior function. You want your AR built upon a solid platform - this receiver gives you the confidence that your AR-15 will function when it counts most.

➲ Carbine Gas Tube

An essential component to your AR15 is the gas tube, which keeps your build up and running. This gas tube is constructed from corrosion resistant stainless steel ensuring a lifetime of service.

➲ .750 Low Profile Gas Block

The gas block is a critical link in the chain that is too often overlooked. This component ensures that your AR runs reliably. Made from high-quality steel with a smooth nitride finish, this gas block is efficiently designed to stay put with the percussion of gunfire. With its low profile this gas block allows it to fit under the most ergonomically designed handguards and rails on the market.

➲ Colt Competition Style Barrel

The barrel is one of the few components that directly affect the accuracy and weight of your build.  This barrel has a nitride finish for increased strength and durability. While featuring a special contour that is designed to be lighter than a conventual SOCOM barrel giving you that extra edge when shooting 3-gun competitions. This barrel offers a 1:8 twist rate, suitable for both heavy and light ammunition.  It is corrosion resistant resulting in an extended barrel life that is longer than conventional chrome lining. Thus, being the perfect barrel for long distance shooting, competitions, hunting and practically any shooting application you’ll subject your AR-15 too.

➲ A2 Flash Hider

The muzzle device is designed to perform a specific task, like suppress flash intensity or reduce felt recoil. This A2 Flash Hider is machined from quality steel and finished with an exceptionally corrosion resistant salt bath nitride for a lifetime of service. It provides effective flash suppression that preserves the shooter\\\\\\\\\\\\\\\'s night vision by disrupting the muzzle flash when firing in low lighting conditions. While its closed bottom with top and side ports offers reduced dust signature when shooting from the prone position while additionally acting as a compensator.

CBC Blemished AR Parts & Assemblies - Blemished AR parts are 100% functional guaranteed AR assemblies & parts that may have acquired minor dents or dings, scratches, milling marks, or uneven stenciling during the production process - many times very minor and unnoticeable. For this reason, these AR parts and assemblies do not meet our high standards for finish quality and we offer them to you at a reduced price. Save even more with CBC blemished reduced price AR parts!

Additional information

Weight 4.2 lbs
Dimensions 27.5 × 4.5 × 4.5 in
Platform

Caliber

Barrel Material

Barrel Coating

Barrel Length

Twist Rate

Thread Pattern

Gas System Length

Rail/Handguard

Handguard Length

15"

Bolt Carrier Group & Charging Handle

No Bolt Carrier Group & Charging Handle

Condition

Blemished

3 reviews for AR-15 Blemished Upper Assembly – 16″ / .223 | 5.56 / 1:8 / 15″ CBC Arms Gen 2 Keymod AR-15 Handguard / Rail

  1. Tom

    I received the blemished upper receiver assy today It was packed great and shipping was fast about a week or less
    I looked it over and can not tell we’re the blemish is I pinned it to the lower and slide a BCG in and fit was perfect
    I am planning a AR PISTOL build and buy the upper from CBC for sure
    Keep up the great service

  2. John Segars

    This upper was listed as a blem. The only blemish I can find is two very small scratches on the rail otherwise the fit and finish is excellent. I have only put 100 rounds thru it but so far I found it to be reliable and accurate. I don’t think you could do any better for the money. I would use CBC parts again without a second thought.

  3. Eric Tischer (verified owner)

    When I received this upper, I liked it so much that I went ahead and purchased the side charging version for another build! Super stoked that I found this company!

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