AR-15 5.56/.223 20" Black Diamond Competition Upper Assembly – MLOK / Triport Muzzle Brake

Product Code:MAR-556-BLKDMD-20
Availability:In Stock
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  • $349.95

  • $549.95

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AR-15 5.56/.223 20" Black Diamond Competition Upper Assembly – MLOK / Triport Muzzle Brake

You asked, and we listened. Introducing the limited edition AR-15 5.56/.223 20" Black Diamond Competition Upper Assembly, designed to elevate your performance in the field or at the range. This upper assembly features a precision-crafted 416R stainless steel barrel with a unique black diamond flute finish, designed for competition-level accuracy. Ready to attach to any standard Mil-Spec AR-15 lower, this upper delivers both performance and durability in every shot.

Key Features:

  • Barrel: 20" 416 stainless steel fluted bull barrel, enhanced with black nitride diamond flutes for superior strength and heat management. Hardened to 26-32 RC for lasting durability. Chambered in 5.56 NATO, with a 1:8 RH twist for exceptional accuracy. Threaded 1/2x28 and M4 feed ramps ensure smooth operation.
  • Triport Muzzle Brake: The barrel is capped off with a competition-grade triport muzzle brake, also finished in nitride for reduced recoil and better control, making rapid follow-up shots easier and more precise.
  • A3 Flat Top Upper Receiver: Built from 7075-T6 certified aluminum forgings, the upper receiver is black hardcoat anodized to Gov. specs for a durable, reliable finish. Includes forward assist and dust cover for maximum functionality.
  • Gas System: The .750 low profile gas block is made from steel and nitride coated, paired with a rifle-length gas tube for smoother cycling and reliable performance.
  • Handguard: A 15" MLOK free-float handguard, slim and built from aircraft-quality aluminum. Black hardcoat anodized for superior strength and a sleek, tactical look. The MLOK system allows for easy customization, offering quick attachment of accessories.

Additional Specifications:

  • Barrel Length: 20"
  • Chamber: 5.56 NATO
  • Twist Rate: 1:8 RH
  • Handguard Length: 15"
  • Gas System: Rifle-length
  • Compatibility: Compatible with any standard Mil-Spec AR-15 lower assembly
  • Weight: Approx. 3 lbs
  • Limited Edition: This is a specialty item with limited availability. Please note, the nitride finish is hand-made upon request and may require additional ETA.

This AR-15 Black Diamond Competition Upper Assembly is a perfect choice for those looking for premium performance and precision. Whether you're competing or building a high-performance rifle, this upper has the features and durability you need. Get yours before it’s gone!

Note: Images may not reflect the exact product. As this is a specialty item, custom plating may require additional time.

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