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AR-15 Upper Assembly – 20″ / .223 | 5.56 / 1:8 / Spiral Flute / 15″ Hera Arms Keymod AR-15 Handguard / Rail

Icon - .223 Wylde AR CaliberIcon - 1:8 Twist RateIcon - 20 AR Barrel
Rated 5.00 out of 5 based on 7 customer ratings
(7 customer reviews)

This AR-15 upper assembly is made from the highest quality parts and the rails are engineered and manufactured in Germany with the remaining components being made within the United States. The 15" Hera Arms Keymod design features Picatinny at the 12 o'clock position with Keymod slots at the 3, 6, and 9 o'clock positions to mount your favorite accessories. Features: 7075-T6 Aluminum Mil-Spec Anodized Receiver Rifle Length Gas Tube Assembly 20" .223|5.56 WYLDE Spiral Flute Barrel - [READ MORE BELOW]

$399.00 $259.00

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Stock Status: Available for Immediate Production

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Description

ar15 20 223 5 56 spiral flute 15 hera arms rail keymod

This AR-15 upper assembly is made from the highest quality parts and the rails are engineered and manufactured in Germany with the remaining components being made within the United States. The 15″ Hera Arms Keymod design features Picatinny at the 12 o’clock position with Keymod slots at the 3, 6, and 9 o’clock positions to mount your favorite accessories.
Features:

7075-T6 Aluminum
Mil-Spec Anodized Receiver
Rifle Length Gas Tube Assembly
20″ .223|5.56 WYLDE Spiral Flute Barrel 
4150 Chrome Moly Steel Nitride Coated Barrel
Standard A2 Flash Hider
Twist Rate: 1:8
15″ Hera Arms Keymod Handguard/Rail with Picatinny

   *Does Not Include Bolt Carrier Group & Charging Handle*

Product Details: AR-15 Upper Assembly – 20″ / .223 | 5.56 / 1:8 / Spiral Flute / 15″ Hera Arms 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.

➲ .750 Low Profile Gas Block

Constructed from 4150 hardened steel and features a secure dual-set screw mounting design

➲ A2 Flash Hider

Is machined from quality steel and finished with a corrosion resistant nitride finish.

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 5.7 lbs
Dimensions 34 x 5 x 5 in
Platform

Caliber

Rail/Handguard

Barrel Length

Twist Rate

7 reviews for AR-15 Upper Assembly – 20″ / .223 | 5.56 / 1:8 / Spiral Flute / 15″ Hera Arms Keymod AR-15 Handguard / Rail

  1. Rated 5 out of 5

    Devin

    I got this upper several months ago. I had it DuraCoated in Flat Dark Earth, put a Harris Bi Pod and a Luepold Mark AR Mil Dot scope and this thing turned out awesome. The spiral fluting on the barrels is really nice. I wish I could post a photo of it. This barrel is actually chambered in .223 Wylde which is not listed on the website. For those that don’t know .223 Wylde offers the accuracy of a .223 barrel with the ability to shoot the higher pressure 5.56 rounds as well. I would recommend checking this upper out.

  2. Rated 5 out of 5

    Larry

    WELL DONE CBC!! Accurate, beautiful, well made upper. I only wish it had T-marks but, those really don’t matter when you get as high a grade product as this. I gave this as a gift to a young man who lost all his rifles in the fires in California. It brought him to tears when he opened the box.

    My primary reason for choosing this particular upper was the proven accuracy of this particular barrel. Another friend of mine bought the same barrel for a build he assembled last Spring for varmint hunting. He was routinely shooting squirrels out to 400 + yards with it and making it look way too easy.

  3. Rated 5 out of 5

    Thomas

    Light,thin great setup…think I need another.

  4. Rated 5 out of 5

    Nate

    Just received my upper assembly… I have to say it surpassed all my expectations. First time buying from this company and I am very impressed… I will definetly be a repeat customer… Shipping was pretty fair, order came in within a week.. It was all pre assembled which was a bonus. And just absolutely spotless product… The pictures do not do this product justice its absolutely beautiful, very pleased.

  5. Rated 5 out of 5

    Peter

    I have had this upper for a while now and it is awesome. Its everything that I expected and more. Its great for shooting out to longer distance and short always giving great accuracy. I haven’t had any problems with it. The only that sucked was the long wait for it but it was so worth it, and made with great quality. Definitely buying another upper from here.

  6. Rated 5 out of 5

    ryan

    For those who wrote bad reviews about these uppers….I purchased this upper in hopes it would be a great addition to my custom build. I was beyond pleased with the craftsmanship. This upper has worked flawlessly. I was just able to finally shoot about 60 rounds through it and did not have 1 fail to fire or fail to feed. Was able to hold a 3/4 inch group at 100 yards. If I had bought a better scope I’m sure it would be even better. For sighting in a new scope and breaking in a new barrel this is a great group. I’m not one to write reviews but for those who badmouth these uppers because they are not as a well known manufacturer as other uppers be noted these are great uppers. They are on the heavier side but well worth it. I will definitely be buying another upper from CBC. The customer service is also exceptional. On a side note I shot a 62 grain bullet instead of 55 grain.

  7. Rated 5 out of 5

    WarrenR

    Purchased this upper a month ago and have been tayloring match loads for 3 weeks now for NRA Highpower and EIC Matches. Net result using 69gr SMKs….1/4-1/3 MOA accuracy at 200yds and today, 3/4MOA at 600. Quality Stuff here, Hands Down! 69gr SMK HPBT Match, LC brass prepped, 25.1gr Varget and a OAL of 2.265″ using Forster bench rest seating die. Dumbfounded as it closely matches the accuracy of my F Class built 110BA at a fraction of the cost. Start with my pet load and adjust by .1gr increments and you’ll be Very Happy! Kudos CBC….you’ve got a winner here!

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