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AR-15 Upper Assembly – 16″ / .223 | 5.56 / Stainless Steel / Straight Cut / Black A2 Flash Hider / 12″ CBC Keymod AR-15 Handguard / Rail

Icon - .223 Wylde AR CaliberIcon - 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, stainless steel straight fluted barrel that is chambered in .223 WYLDE.  This versatile chambering provides the capability of shooting .223 Rem or 5.56 NATO cartridges. 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.

$359.00 $269.00

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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, stainless steel straight fluted barrel that is chambered in .223 WYLDE.  This versatile chambering provides the capability of shooting .223 Rem or 5.56 NATO cartridges. 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″ 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.

  • 7075-T6 Aluminum
  • Mil-Spec Anodized Receiver
  • Carbine Length Gas Tube Assembly
  • 16″ .223 WYLDE Stainless Steel Straight Fluted Barrel
  • 4150 Chrome Moly Steel Nitride Coated Barrel
  • Standard A2 Flash Hider
  • Twist Rate: 1:8
  • 12″ CBC Arms Keymod Handguard/Rail
  • *Does not include Bolt Carrier Group & Charging Handle

Product Details: AR-15 Upper Assembly – 16″ / .223 | 5.56 / Stainless Steel / Straight Cut / Black A2 Flash Hider / 12″ CBC Keymod AR-15 Handguard / Rail

➲ 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.

➲ Keymod Handguard

Your 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. 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. The slim profile is comfortable to grip while still allowing enough room for low profile gas blacks underneath. This AR-15 handguard is machined from 6061 aluminum, has a hard coat anodized black finish, and the strong attachment of accessories to the Keymod handguard are unaffected by recoil.

➲ Straight Fluted Barrel

The barrel is one of the few components that directly affect the accuracy and weight of your build. Designed for corrosion resistance, this barrel will not let you down. Due to being machined from 416-R Stainless Steel, this barrel contains a better cut, higher-definition rifling, crowns, and chambers, resulting in the ability to stay more accurate over its usable life. This barrel utilizes the popular and versatile .223 Wylde chamber, which allows for the safe usage of 5.56 NATO ammunition and enhance reliability. This is the perfect barrel for an AR build, keeping weight to an absolute minimum due to the fluting, while still offering a significant ballistic advantage.

➲ 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 2 lbs
Dimensions 16 × 11 × 2 in
Platform

Caliber

Barrel Material

Barrel Length

Barrel Fluting

Twist Rate

Thread Pattern

Gas System Length

Rail/Handguard

Handguard Length

12"

Bolt Carrier Group & Charging Handle

No Bolt Carrier Group & Charging Handle

5 reviews for AR-15 Upper Assembly – 16″ / .223 | 5.56 / Stainless Steel / Straight Cut / Black A2 Flash Hider / 12″ CBC Keymod AR-15 Handguard / Rail

  1. jjares

    Excelent!!! This upper is by far one’s of the best i ever see. You bet i will buy another from you guys the quality is awesom. Five star is not enoght!!!

  2. Nroberts

    Just a warning the flash hider is not the one pictured above it is stainless as well…. and mine is about a 1/4 turn from being straight with the gun and wont turn on or off… also whoever did the deburr job on it sucked. Looks like a beaver chewed on the flash hider… other then that very happy money well spent

  3. Donny Anastasi

    Received my upper within a week, it’s a custom build with the 15″ key mod rail on the 16″ barrel and the Barrett style muzzle brake. Customer service was great! Definitely going to purchase another product soon!

  4. Tom

    When I opened the package I was elated about the looks and fit. It was nothing till I have assembled the rifle and went to the range. It is advertised 1″ groups. Well let me tell you 6 different loads and 3 out of them close to .5″. It doesn’t like 40 gr bullets but as to be expected with the barrel twist. All load I had at home from previous hunting trips. The next pleasant surprise was when I cleaned the barrel it was a breeze. What a great product. Recommend not to look for anybody else’s offer, this one is a steel.

  5. Dan Bailey

    I really liked how the gun shot. This is my second build. The first came from another company. This one out preformed the first one hands down. I was very pleased with the shot grouping. Look forward to trying another one soon. The only problem I had was the rail system did not line up correctly with my scope mount. I made a slight adjustment and it worked fine.

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