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AR-15 Upper Assembly – 16″ / 5.56 NATO / 1:8 / 15″ CBC Arms M-LOK 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 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 $299.00

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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 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 15″ M-LOK Rail that contains generously sized M-LOK cuts, this upper assembly allows for maximum air circulation around the barrel for faster cooling and keeps the handguard from getting hot to the touch. 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 partial 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 A2 Flash Hider
  • Twist Rate: 1:8
  • 15″ CBC Arms M-LOK handguard/rail
  •   *Does Not Include Bolt Carrier Group & Charging Handle*

Product Details: AR-15 Upper Assembly – 16″ / 5.56 NATO / 1:8 / 15″ CBC Arms M-LOK AR-15 Handguard / Rail

➲ 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.

➲ .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.

➲ 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.

➲ CBC M-LOK Handguard

New for 2020, these AR15 handguards have been built to provide rugged, reliable performance. Designed with advanced shooter in mind, these handguards are sleek and ergonomic in the hand, which translates into faster on-target performance and ease of use. They feature seven panels of M-Lok mount-ability, built-in anti-rotation indexing and proprietary designed Steel mounting hardware to ensure easy rock-solid installation.

➲ 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 4.45 lbs
Dimensions 27.5 × 4.5 × 4.5 in
Caliber

Barrel Length

Rail/Handguard

3 reviews for AR-15 Upper Assembly – 16″ / 5.56 NATO / 1:8 / 15″ CBC Arms M-LOK AR-15 Handguard / Rail

  1. Chris Johnson

    First Off thank you for a speedy delivery, even though it felt like longer than it was. I was really excited about trying this upper, when it arrived it was packaged very well. I inspected the upper quite well before installing on my lower, it for perfect. Inspected rifle and cycled a few times decided I needed a test fire, loaded a pmag with 5.56 and headed out back. It fired flawlessly. I’m very pleased with this purchase. I will be ordering another upper like this but in 7.62.

  2. Scotty NeSmith

    I’m really happy with this upper. It looks great, its very well made and you can’t beat the price. I was a little worried about the accuracy with the price being so low but after two trips to the range I’m very pleased. I’m not a great shot by any means and I put 20 rounds in sub 2″ MOA @100yds. My next purchase will be the some upper in 300 AAC Blackout.

  3. Michael Case

    I purchased this upper when it was on sale for a great price. I talked to Christina and had several questions that she awnsered. I am very pleased with the way this upper looks and fits my lower. I am waiting to get the stock and will be ready to go to the range. Also, the shipping time frame was excellent. Arrived sooner than anticipated. Thank you CBC

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