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AR-15 Upper Assembly – 16″ / 5.56 NATO / 1:8 / 12″ CBC Arms Tactical Keymod

Icon - 5.56 NATO AR CaliberIcon - 1:8 Twist RateIcon - 16 AR Barrel
(5 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 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.

$399.00 $319.00

Stock Status: Available for Immediate Production

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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 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.

Outfitted with a 12″ Keymod Rail that features strong attachment points for accessories resulting in accessories and optics having an excellent return to zero capability when detached and reattached. 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.

  • Type: AR
  • Finish Color: Black
  • Caliber: 5.56 NATO
  • Barrel Finish: Nitride
  • Barrel Length: 16”
  • Twist: 1:8
  • Gas System: Carbine
  • Muzzle: A2 Flash Hider
  • Receiver Material: Aluminum
  • Receiver: Mil-Spec, Forward Assist & Dust Cover Installed
  • Rail: 12” Keymod

Product Details: AR-15 Upper Assembly – 16″ / 5.56 NATO / 1:8 / 12″ CBC Arms Tactical Keymod

➲ Upper Receiver

The foundation of all good ARs 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.

➲ CBC Keymod Handguard

New for 2020, this AR-15 handguard has huge implications in terms of how much you enjoy your shooting experience. Our Keymod handguard offers more than just the accuracy enhancements that come with a free-floating rail. The slim profile is comfortable to grip while still allowing enough room for low profile gas blacks underneath. Our Keymod handguards are leading the firearms industry with cutting edge precision, along with new era innovative deisgns.

➲ 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 provides a wide selections of AR-15 upper assemblies in a variety of styles and lengths - all partial AR-15 uppers are assembled with everything less the charging handle and bolt carrier group. Our partial upper assemblies offer quality and performance that will satisfy the most demanding shooter. Better yet, all CBC AR-15 uppers are custom built-to-order enabling us to provide you with the best prices you will find anywhere. The quality of our AR-15 uppers are backed by our Lifetime Warranty - if any CBC upper assembly becomes defective, we will repair or replace it at no charge. Get your AR-15 upper assembly at CBC today and save with free shipping!

Additional information

Weight 3.9 lbs
Dimensions 27.5 × 4.5 × 4.5 in
Caliber

Barrel Length

Rail/Handguard

5 reviews for AR-15 Upper Assembly – 16″ / 5.56 NATO / 1:8 / 12″ CBC Arms Tactical Keymod

  1. James

    This is my second upper from cbc industries, my first one was the ss, bear claw wich was awesome first time out put 200 rounds down range without a flaw, this upper same thing and now I’m waiting for my third to come . I recommend to everyone I know I haven’t had a single problem with quality or function

  2. JB

    This is my first upper from cbc, everything looks great, no scratches good packaging. I ordered this and it was shipped in three days. I will most certainly order another one.

  3. steveo.canty (verified owner)

    Barrel back ordered an I still got it in a very timely manner. Product arrived very well put together, couldn’t find a scratch on it. Packaging was on point. Performs flawlessly! I will be returning to CBC in the future for all my builds. Background: over 40 custom builds completed, this keeps up with Grouping at 120 rounds consistently without much gapping.

  4. billneub1 (verified owner)

    Great product shipping on time i will order more products 3 orders all receive in less the time stated called once nice gentleman. Great everything!

  5. Stephen pfister (verified owner)

    Just received and married to my lower, it’s got exceptional build quality all around. About 9 days to deliver from order, now I need 5 more. Thanks CBC

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