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FU Inc 5.56 NATO 16” Cold Hammer Forged M4 Profile Black Nitride 1:7 Twist Carbine Gas System

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SKU:
556CHF1617M-1091
Sale
Was
$104.99
$79.99
FU Inc 5.56 NATO 16” Cold Hammer Forged M4 Profile Black Nitride 1:7 Twist Carbine Gas System
Shipping:
Calculated at Checkout
Was
$104.99
$79.99

Description

5.56 NATO 16” Cold Hammer Forged M4 Profile Barrel – Black Nitride – 1:7 Twist – Carbine Gas

Upgrade your AR-15 build with this premium 16” Cold Hammer Forged barrel, engineered for durability, accuracy, and long-term reliability. Built to handle high round counts and demanding conditions, this barrel features a classic M4 profile with a corrosion-resistant Black Nitride finish for enhanced performance and longevity.

The 1:7 twist rate stabilizes a wide range of bullet weights, making it ideal for both range use and duty applications. Paired with a carbine-length gas system, this barrel delivers reliable cycling and consistent performance across various ammo types.

Features:

  • Cold Hammer Forged construction for superior strength and extended barrel life
  • Chambered in 5.56 NATO (compatible with .223 Remington)
  • M4 profile for balanced weight and handling
  • Durable Black Nitride finish for corrosion and wear resistance
  • 1:7 twist rate for optimal stabilization of heavier projectiles
  • Carbine-length gas system for reliable operation

Specifications:

  • Caliber: 5.56 NATO
  • Barrel Length: 16”
  • Barrel Profile: M4
  • Barrel Finish: Black Nitride
  • Twist Rate: 1:7
  • Gas System: Carbine Length
  • Gas Block Size: .750
  • Thread Pitch: 1/2x28

Compliance

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.
WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

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