This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 16 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.
The Silver Streak upper features stainless steel, aluminum, and silver anodized parts that provide an aesthetic contrast and appearance. Silver Streak components include a stainless-steel muzzle brake, matt aluminum ejection port cover, silver anodized forward assist, stainless-steel forward and rear takedown pins, and a stainless and silver anodized anti walk/rotation pin set.
This upper assembly features a 16″ 5.56 NATO barrel and is outfitted with a 13.5″ CBC M-LOK handguard featuring durable attachment points for accessories and generously sized M-LOK cuts allowing maximum air circulation around the barrel for faster cooling while also keeping the handguard cool to the touch. This handguard also features picatinny top rail sections that sits flush with the upper receiver.
- Type: AR
- Finish Color: Black
- Caliber: 5.56 NATO
- Barrel Finish: Nitride
- Barrel Length: 16”
- Twist: 1:8
- Gas System: Carbine
- Muzzle: Stainless Steel Muzzle Brake
- Receiver Material: Aluminum
- Receiver: Mil-Spec, Forward Assist & Dust Cover Installed
- Rail: 13.5” CBC M-LOK
Product Details: AR15 Silver Streak Upper Assembly – 16 Inch / 5.56 NATO / 1:8 / Stainless Muzzle Brake & Takedown Pins / Aluminum Door / Silver Accessory Kit / 13.5 Inch M-LOK Handguard / S160035
➲ CBC M-Lok 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 M-LOK slots for mounting attachments and feature robust steel mounting hardware to ensure an easy rock-solid installation.
➲ 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.
➲ Carbine Gas Tube
An essential component to your AR15 is the gas tube, which keeps your build up and running. This carbine-length 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 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.
➲ Colt Competition Style Barrel
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. While featuring a special contour that is designed to be lighter than a conventual SOCOM barrel giving you that extra edge when shooting 3-gun competitions. This barrel offers a 1:8 twist rate, suitable for both heavy and light ammunition. It is corrosion resistant resulting in an extended barrel life that is longer than conventional chrome lining. Thus, being the perfect barrel for long distance shooting, competitions, hunting and practically any shooting application you’ll subject your AR-15 too.
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!