Brand: Bushmaster
Model: QRC
Caliber: 5.56x45mm NATO
Barrel Length: 16"
Firearm Fit: AR-15
Firearm Type: AR Platform
Barrel Finish: Black Nitride
Barrel Material: Chrome Moly Vanadium
Muzzle: A2 Flash Hider
Twist: 1:7"
Handguards: M-LOK
Receiver Material: 7075-T6 Aluminum
Thread Pattern: 1 / 2"x28
Receiver Finish: Black Hard Coat Anodized
Handguard Finish: Black

Features

Introducing the Bushmaster QRC II (Quick Response Carbine) – a complete upper assembly designed for exceptional reliability, precision, and ease of use. Engineered to meet the highest standards, it's an excellent choice for both the range and home defense. The QRC II is chambered in 5.56 NATO (.223 REM) and features a carbine-length gas system. Its 16-inch 4150 CMV Salt Bath Nitride Pencil Barrel, with a 1:7 twist rate and ½ x 28 thread pitch, delivers powerful accuracy with every shot.

The Salt Bath Nitride MPI Bolt Carrier Group guarantees dependable performance, ensuring consistent firing. Additionally, the 7075 Forged A4 Flattop Upper Receiver is versatile, allowing seamless integration with your preferred optic. While originally designed for red dot optics, the QRC II enhances the proven lightweight and reliable design of the original QRC with modern upgrades, enabling full customization of your rifle. The 14-inch Free Float Rail provides ample space for mounting your favorite accessories. For a lightweight, accurate, and dependable upper assembly, the Bushmaster QRC II is an ideal choice.

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Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

Local Law Compliance

Certain firearm parts and accessories, including AR-style upper receivers, are subject to complex and frequently changing federal, state, and local laws and regulations. While an upper receiver may be lawfully sold and shipped as a component, the legality of possessing, assembling, configuring, or using an upper receiver in certain states (e.g., California, Washington State) and localities depends on how it is assembled, combined with other components, and ultimately used. You are solely responsible for ensuring that any assembly, configuration, possession, or use complies with all federal, state, and local laws, including any so-called “assault weapon” bans and short-barreled rifle restrictions. We do not provide legal advice and are not responsible for unlawful configurations or uses.