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AR-15 Upper Assembly – 10.5″ / 300 AAC / 1:8 / CBC Compensator / 10″ CBC Arms Gen 2 Keymod AR-15 Handguard /Rail

Icon - 300AAC Blackout AR CaliberIcon - 1:8 Twist Rate
Rated 5.00 out of 5 based on 3 customer ratings
(3 customer reviews)

Barrel: 10.5" Melonite Barrel Chrome Moly Twist Rate: 1/8 Feed Ramps: M4 Gas Block: Steel .750 Low Profile Gas Tube: DGI Stainless Pistol-Length Muzzle Device: CBC Compensator Rail: 10" CBC Arms Gen 2  Free Float Keymod Upper Receiver: Forged Upper Receiver Upper Components: Mil-Spec Forward Assist, Mil-Spec Dust Cover, and Brass Deflector Please Note: An “AR-15 Pistol” upper assembly has a barrel less than 16” in length. Pistol uppers are only for use on AR- - [READ MORE BELOW]

$339.00 $239.00

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Stock Status: Available for Immediate Production

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Description

ar-15-upper-assembly-10-5-300-blackout-10-cbc-gen-2-keymod-ar-15-rail-cbc-compensator
  • Barrel: 10.5″ Melonite Barrel Chrome Moly
  • Twist Rate: 1/8
  • Feed Ramps: M4
  • Gas Block: Steel .750 Low Profile
  • Gas Tube: DGI Stainless Pistol-Length
  • Muzzle Device: CBC Compensator
  • Rail: 10″ CBC Arms Gen 2  Free Float Keymod
  • Upper Receiver: Forged Upper Receiver
  • Upper Components: Mil-Spec Forward Assist, Mil-Spec Dust Cover, and Brass Deflector

Please Note: An “AR-15 Pistol” upper assembly has a barrel less than 16” in length. Pistol uppers are only for use on AR-15 pistol lowers and legal Short-Barreled Rifles. Other configurations may violate Federal law. Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.

Product Details: AR-15 Upper Assembly – 10.5″ / 300 AAC / 1:8 / CBC Compensator / 10″ CBC Arms Gen 2 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.

➲ Pistol Length 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.

➲ 300 Blackout Barrel

The barrel is one of the few components that directly affect the accuracy and weight of your build.  This barrel has a parkerized finish for increased strength and durability. This provides not only an impressive barrel life but ensures excellent accuracy. This barrel is optimized for stability with a 1:8 twist rate, making it the perfect match for the 300 Blackout caliber.

➲ 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, and comes with a proprietary barrel nut and mounting hardware.

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 4.9 lbs
Dimensions 30.25 × 4.5 × 4.5 in
Platform

Caliber

Barrel Material

Barrel Coating

Barrel Length

Twist Rate

Rail/Handguard

3 reviews for AR-15 Upper Assembly – 10.5″ / 300 AAC / 1:8 / CBC Compensator / 10″ CBC Arms Gen 2 Keymod AR-15 Handguard /Rail

  1. Rated 5 out of 5

    Pete C

    Ordered 6 days ago and was told it wouldn’t ship for 2 weeks. I was ok with that from the start, but it got here in just 5 business days! Slapped it on my lower I built last week. Ran 3 mags (1 subsonic 2 supersonic) through it with zero problems. Wish I’d have heard about this company years ago. This will most definitely not me the last time I order from them. Top notch product and a VERY fair price.

  2. Rated 5 out of 5

    harold welch

    I purchased for a pistol build, and was not disappointed! My second upper from CBC. Great fit and finish, just over a week from order to delivery [awesome]. Headed out for some range time. Great job guy’s !

  3. Rated 5 out of 5

    Tim

    This is my 2nd upper from CBC. Even with the weather here in the Northeast the shipping was very quick, about a week. The fit and finish look awesome and I’m looking forward to putting it on my new SBR build. Great job CBC!

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