AR-15 .350 Legend 10.5" Pistol Kit | SBA3 Brace | 10" M-LOK Rail | Moriarti Armaments

AR-15 Line

AR-15 .350 Legend 10.5" Pistol Kit | SBA3 Brace | 10" M-LOK Rail

If you're looking for the perfect .350 Legend AR-15 pistol build, look no further than the 10.5" Pistol Kit from Moriarti Armaments. This kit includes everything you need to assemble your custom AR-15 .350 Legend pistol—except the lower receiver. Designed for shooters who need a compact, powerful rifle, this USA-made kit combines durable materials, high-quality components, and ergonomic features for superior performance.

Whether you're using it for tactical purposes, home defense, or just enjoying the power of .350 Legend, this 10.5" Pistol Kit has you covered.

Key Features:

• Barrel:

  • 10.5" Heavy Profile Barrel chambered in .350 Legend for optimal performance in a compact form factor.

  • 1:16 Twist Rate for perfect stabilization of the .350 Legend projectile.

  • 4150 Chrome Moly Vanadium Construction with Parkerized Finish for durability, corrosion resistance, and smooth cycling.

  • Pistol-Length Gas System to accommodate a compact build with reliable cycling.

  • Thread Pitch 5/8x24 for a range of compatible muzzle devices.

  • Feed Ramp: .300 Blackout for smooth feeding and improved performance.

• Upper Receiver:

  • Mil-Spec 7075-T6 Aluminum Upper Receiver for maximum strength and reliability.

  • Dust Cover and Forward Assist for smooth, reliable operation under tough conditions.

• Handguard:

  • 10" M-LOK Free Float Handguard made from aerospace-grade aluminum and hard coat anodized for durability.

  • Provides ample space for accessories, such as optics, lights, and grips, while maintaining a slim profile for easy handling.

• Bolt Carrier Group (BCG):

  • Mil-Spec M16 Cut BCG, Nitride-coated for added strength and resistance to wear and corrosion.

  • Properly staked gas key to ensure reliability and function.

  • MP/HP tested for durability, ensuring long-term performance.

• Charging Handle:

  • Mil-Spec Charging Handle made from 7075-T6 aluminum, hard coat anodized for strength and smooth operation.

• Stock:

  • SBA3 Pistol Brace for improved stability and control, providing a better shooting experience with your .350 Legend AR-15 pistol.

  • Adjustable design with multiple positions to suit your preferences.

  • Mil-Spec Buffer Tube Assembly, complete with AR-15 buffer spring and 3oz buffer designed for reliable cycling with big bore calibers.

• Lower Parts Kit:

  • Full Mil-Spec AR-15 Lower Parts Kit, which includes all the necessary parts to complete your lower, such as trigger, hammer, pins, and springs.

Why Choose the AR-15 .350 Legend 10.5" Pistol Kit?

The .350 Legend cartridge is known for its power and versatility, and building your own AR-15 pistol chambered in .350 Legend is the best way to harness that potential. With its 10.5" barrel, 10" M-LOK rail, and SBA3 pistol brace, this kit provides everything you need for a compact, powerful, and highly customizable build.

The pistol-length gas system ensures smooth cycling and reliability, while the 4150 chrome moly barrel and Mil-Spec components ensure that you get the most out of your .350 Legend ammunition. Plus, the SBA3 brace gives you the stability and control you need to make your shots count.

Whether you're new to building or an experienced rifle enthusiast, this kit is perfect for anyone looking to create a compact AR-15 that performs under any condition.

Note:

• This kit comes unassembled. All components are mil-spec and proudly made in the USA.
• Every upper build is test-fired before shipment to ensure optimal performance. However, due to the variety of ammunition types, we do not guarantee cycling with imported, steel-cased, or reloaded rounds.
• Images may not be the exact representation of the product - mlok variations in design may occur based on stock availability.