AR-15 18" 6mm ARC Rifle Kit - Black | Mil-Spec, USA-Made | Moriarti Armaments

6mm ARC

AR-15 18" 6mm ARC Rifle Kit - Black | Mil-Spec, USA-Made | Moriarti Armaments

Elevate your rifle-building experience with the 18" 6mm ARC Rifle Kit from Moriarti Armaments. Designed for precision, performance, and reliability, this high-quality AR-15 kit is perfect for those who want to build a custom rifle chambered in 6mm ARC. With top-tier, USA-made parts, this kit offers everything you need to create a durable and powerful AR-15 rifle—minus the lower receiver.

Key Features:

• Upper Receiver:

  • Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist for improved functionality.

  • Black hard coat anodized finish for increased durability and resistance to wear and corrosion.

• Barrel:

  • 18" 4150 Steel Barrel with a 1:8 Twist designed specifically for 6mm ARC cartridges.

  • Black phosphate finish for superior rust and corrosion resistance.

  • Mid-length gas system for smooth cycling and reduced recoil.

  • .750 Low Profile Gas Block for more customization options.

  • 5/8x24 thread pitch with a A2 flash hider to minimize muzzle flash.

• Handguard:

  • 15" Free Float M-LOK Handguard offers excellent space for accessories and provides a stable, lightweight platform.

  • Anodized black finish that complements the upper receiver and barrel.

• Bolt Carrier Group (BCG):

  • 6.5 Grendel Type II / 6mm ARC BCG designed for the 6mm ARC chamber.

  • Built from 9310 steel and finished with a black phosphate coating for strength and durability.

• Charging Handle:

  • Mil-Spec charging handle machined from 7075 T6 aluminum and finished with a hard coat anodized black finish for increased durability.

• Lower Parts Kit:

  • Complete Mil-Spec lower parts kit, including all necessary components for a functional lower receiver build.

  • MPI-tested fire control parts ensure consistent, reliable operation.

• Buffer Tube Assembly:

  • Carbine buffer tube assembly with a 6-position adjustable stock for customizable length of pull.

  • Includes AR-15 spring and a 3oz buffer designed for smooth operation in a 6mm ARC build.

• Stock:

  • Adaptive Butt Stock for increased comfort and precision, offering a secure fit with customizable length settings.

Why Build with the 6mm ARC Rifle Kit?

The 6mm ARC (Advanced Rifle Cartridge) is becoming a favorite among long-range enthusiasts and tactical shooters due to its excellent ballistics and versatility. This caliber offers superior accuracy at extended distances while maintaining manageable recoil, making it ideal for both hunting and precision shooting.

The 18" 6mm ARC Rifle Kit from Moriarti Armaments is crafted with the highest quality materials and engineered for performance. Whether you're looking to build a custom rifle for the range, hunting, or tactical operations, this kit has all the essentials to get you started. The inclusion of a Mil-Spec upper receiver, 6mm ARC-specific BCG, and the versatile M-LOK handguard ensure your rifle is ready to perform in a wide range of conditions.

Order Your 6mm ARC Rifle Kit Today

Ready to build your perfect AR-15? The AR-15 18" 6mm ARC Rifle Kit offers everything you need for a precision rifle build, featuring USA-made parts and Mil-Spec components for ultimate reliability. Upgrade your shooting experience and start your build today with Moriarti Armaments.

Please Note: Lower receiver not included. Does not come with optics or magazine. Kit ships within 7-10 business days. During holidays or special sales, shipping lead times may vary. If your order is delayed beyond the stated lead time, please contact us via email for assistance.

Create a powerful, precise, and versatile rifle with the 6mm ARC—shop now with Moriarti Armaments and take your shooting to the next level!