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AR-15 Upper Assembly – 10.5″ / 300 AAC / 1:7 / 9″ IRS AR-15 Handguard / Rail

Icon - 300AAC Blackout AR CaliberIcon - 1:7 Twist RateIcon - 10.5 AR Barrel

This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 10.5 inch, 300 Blackout barrel, that is optimized for stability with a 1:7 twist rate. 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. Designed to handle the hardest use and abuse of tactical and competitive shooting, this upper assembly is outfitted with a quad rail.

Description

This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 10.5 inch, 300 Blackout barrel, that is optimized for stability with a 1:7 twist rate. 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. Designed to handle the hardest use and abuse of tactical and competitive shooting, this upper assembly is outfitted with a quad rail.

ar15-10-5-300aac-blk-upper-assembly-7-hera-arms-rail

Outfitted with a 9″ IRS Rail that features anti-turn millings that prevent turning even at the hardest use. The rail also features four full-length Picatinny attachment points and a top rail that sits flush with the upper receiver, allowing you to have more space for optics and back up iron sights.  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: 1:7
  • 9″ IRS Handguard/Rail
  • *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: AR-15 Upper Assembly – 10.5″ / 300 AAC / 1:7 / 9″ IRS AR-15 Handguard / Rail

➲ 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.

➲ 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 nitride 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.

Additional information

Weight 3.7 lbs
Dimensions 27.5 × 4.5 × 4.5 in
Platform

Caliber

Barrel Material

Barrel Coating

Barrel Length

Twist Rate

Rail/Handguard

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