AR-15 .22 ARC 24" Heavy Barrel Upper – Rifle Length Gas, M-LOK

.22 ARC 24" Upper: Specs & Features

Key Features:

• Barrel: 24" heavy barrel crafted from 4150 Chrome Moly Vanadium, known for its strength, reliability, and durability. The nitride finish offers improved resistance to wear and corrosion. With a 1:7 twist rate

• Gas System: The rifle-length gas system ensures smooth cycling and consistent performance for accurate follow-up shots, paired with a 0.750 low-profile steel gas block for a tight and reliable seal.

• Muzzle Device: This upper assembly is finished with an A2 flash hider, 1/2x28 thread, providing flash suppression for reduced visibility in low-light shooting conditions.

• Handguard: The 15" M-LOK free float handguard is lightweight and slim, offering a sleek, ergonomic profile while allowing for easy attachment of accessories. Its design eliminates barrel pressure, improving accuracy.

• Upper Receiver: Made from forged A4 aluminum, this 7075-T6 forged receiver is built to mil-spec standards for maximum strength and performance. It does not include a BCG or charging handle, giving you the flexibility to customize your build. The M4 feed ramps ensure reliable feeding.

• Flutes: This barrel is non-fluted, designed for a solid, robust profile that excels in durability and long-term performance.

Custom Builds Available: This upper assembly does not include a BCG or charging handle, but both are available for purchase separately. 

Images may not be an exact representation of the product.

FAQ

Will this upper fit my AR-15 lower?

Yes. It fits a standard mil-spec AR-15 lower receiver.

What bolt and magazines do I need?

A 6.5 Grendel-type bolt carrier group and 6.5 Grendel / ARC-family magazines. A standard 5.56 bolt will not work.

What twist rate does it use?

A 1:7 twist, fast enough for the long, high-BC bullets .22 ARC is built around.

Are a BCG and charging handle included?

No. Add a 6.5 Grendel-type bolt carrier group and a standard AR-15 charging handle.

Related: .22 ARC uppers · AR-15 upper assemblies