Description
This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is?built around a 10.5 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.
![300 AAC AR-15 Upper Assembly - 10.5 INCH BARREL / 1:8 TWIST / 10 INCH M-LOK Handguard / A-160-517 1 160 517](https://b2940821.smushcdn.com/2940821/wp-content/uploads/2020/06/160-517.jpg?lossy=1&strip=1&webp=1)
This upper assembly comes with a standard A2 flash hider that effectively suppresses muzzle flash and protects the 5/8?24 barrel threads if you are planning on adding a muzzle break in the future.
- 7075-T6 Aluminum
- Mil-Spec Anodized Receiver
- Pistol Length Gas Tube Assembly
- 10.5″ 300 AAC Blackout Barrel
- 4150 Chrome Moly Steel Nitride Coated Barrel
- Standard A2 Flash Hider
- Twist Rate: 1:8
- 10″ M-LOK
- *Does Not Include Bolt Carrier Group & Charging Handle*
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: 300 AAC AR-15 Upper Assembly – 10.5 INCH BARREL / 1:8 TWIST / 10 INCH M-LOK Handguard / A-160-517
➲ CBC M-LOK Handguard
New for 2022, these AR-15 handguards are built to provide rugged, reliable performance. Designed with the advanced shooter in mind, these handguards are both sleek and ergonomic in the hand and that translates into faster on-target performance and ease of use. These AR handguards provide M-LOK slots for mounting attachments and feature robust steel mounting hardware to ensure an easy rock-solid installation.
➲ 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.
➲ 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 light 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.
➲ Pistol Length Gas Tube
An essential component to your AR15 is the gas tube, which keeps your build up and running. This gas pistol-length 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 phosphate finish, this .750 low-profile 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 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!
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