BLEMISHED UPPER – Blemished uppers are 100% fully functional, warranty backed, and guaranteed AR upper assemblies that may have acquired a minor ding, scratch, milling mark, or uneven stenciling during the production process – often unnoticeable. For this reason, we offer them to you at a value reduced price.
This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 7.5 inch, 4150 chrome moly barrel that is chambered in 300 Blackout 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.
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.
- Barrel: 7.5″
- Twist: 1/8
- Finish: Barrel Nitride Treated
- Material: Chrome Moly Steel
- Muzzle Device Thread Pitch: 5/8 X 24 TPI
- Caliber: 300AAC
- Upper Receiver: Pattern: Billet
- Finish: MILSPEC Hard Coat Anodized
- Material: 7075 T-6 Aircraft Grade Aluminum
- Handguard: 7″ Keymod
- Material: 6065 Aluminium
- Finish: Anodized
Product Details: AR-15 Blemished Upper Assembly – 7.5″ / 300AAC / 1:8 / 7″ Gen 2 Keymod AR-15 Handguard / Rail
➲ CBC Keymod Handguard
New for 2020, 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 Keymod slots for mounting attachments and feature robust steel mounting hardware to ensure an easy rock-solid installation.
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. This provides not only an impressive barrel life but ensures excellent accuracy. The barrel threads are carefully threaded to the .308 standard. Optimized for stability with a 1:8 twist rate, this 300 BLK barrel can handle heavier bullets used for subsonic loads with ease.
➲ 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.
➲ 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.
➲ 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.
CBC Blemished AR Parts & Assemblies - Blemished AR parts are 100% functional guaranteed AR assemblies & parts that may have acquired minor dents or dings, scratches, milling marks, or uneven stenciling during the production process - many times very minor and unnoticeable. For this reason, these AR parts and assemblies do not meet our high standards for finish quality and we offer them to you at a reduced price. Save even more with CBC blemished reduced price AR parts!