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AR-15 Upper Assembly – 16″ / 300 AAC / 1:8 / 15″ Hera Arms Keymod AR-15 Handguard / Rail

(3 customer reviews)

This AR-15 upper assembly is made from the highest quality parts and the rails are engineered and manufactured in Germany with the remaining components being made within the United States. The 15" Hera Arms Keymod design handguard/rail is CNC milled from aluminum alloy and then hard coat anodized for added strength. 7075-T6 Aluminum Mil-Spec Anodized Receiver Pistol Length Gas Tube Assembly 16" 300 AAC Barrel 4150 Chrome Moly Steel Nitride Coated Barrel Standard Flash Hider - [READ MORE BELOW]

SKU: 160-340 Category: Tag:

Description

ar15 16 300 aac blk upper assembly 15 hera arms keymod rail

This AR-15 upper assembly is made from the highest quality parts and the rails are engineered and manufactured in Germany with the remaining components being made within the United States. The 15″ Hera Arms Keymod design handguard/rail is CNC milled from aluminum alloy and then hard coat anodized for added strength.

  • 7075-T6 Aluminum
  • Mil-Spec Anodized Receiver
  • Pistol Length Gas Tube Assembly
  • 16″ 300 AAC Barrel
  • 4150 Chrome Moly Steel Nitride Coated Barrel
  • Standard Flash Hider
  • Twist Rate: 1:8
  • 15″ Hera Arms Keymod Handguard/Rail
  • *Includes Bolt Carrier Group & Charging Handle*

Product Details: AR-15 Upper Assembly – 16″ / 300 AAC / 1:8 / 15″ Hera Arms 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.

➲ Bolt Carrier Group

There is nothing more crucial to the performance of your AR-15 than the bolt carrier group. Made to MIL-SPEC and finished with superior quality nitride finish that protects against corrosion and heat, our BCG won’t let you down. In order to ensure that it will run beautifully in your AR-15, each bolt carrier group under goes high pressure testing (HPT), and magnetic particle inspection (MPI). Whether you’re looking for a drop-in Mil-Spec quality replacement for your current AR or are going for a new build, this bolt carrier group provides you with the reliability and performance you expect from a first-rate product.

➲ Standard MIL-SPEC Charging Handle

A central component of your AR-15, the charging handle not only assists in chambering a round but is your main tool to clear a round that won’t eject cleanly. The 7075-T6 aluminum design results in a rugged and capable charging handle for your AR-15. With lightweight aluminum construction and traditional snag-free latch design, this charging handle provides superior function and reliability.

➲ 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.

➲ 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 lighting 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.

➲ 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. 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. 

Additional information

Weight 4.1 lbs
Dimensions 27.5 × 4.5 × 4.5 in
Platform

Caliber

Barrel Length

Rail/Handguard

Twist Rate

3 reviews for AR-15 Upper Assembly – 16″ / 300 AAC / 1:8 / 15″ Hera Arms Keymod AR-15 Handguard / Rail

  1. Phil Barnes

    Fit and finish is first rate. Accuracy sub moa. Great service and delivery from CBC. First rate company to deal with!

  2. Brian

    Ordered this on a Friday, had it the next Tuesday. Great quality product! Excellent finish and fit, comparable with the high end (high dollar) products I’ve tested. I used this upper for developing my subsonic and standard close range munitions. I recommend CBC to all of my range/hunting friends.

  3. John Pierce

    I bought this upper several months ago. I am very pleased with the fit and finish. It has been accurate and good groupings (when there is a good shooter behind the trigger) and really enjoy shooting this. It is on an Anderson lower. Fits well. At CBC’s suggestion, I went with an H2 buffer…..works well. I used their black nitride BCG…..no failure to feed or return to battery. perfect ejection. I plan to buy CBC again. thanks.

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