Daniel Defense  |  SKU: RSR-DD07-077-09173-018

Daniel Defense - 16" 5.56mm Mid-Length AR Barrel

Regular price $41895
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Description

The Daniel Defense 16” 5.56mm Mid-Length Barrel is engineered for shooters demanding the best in performance and durability. Cold Hammer Forged from 4150 Chrome Moly Vanadium steel, this Government-profile barrel offers outstanding strength, superior accuracy, and long service life—making it the ideal foundation for any serious AR-15 build.

Finished with a Mil-Spec heavy phosphate coating on the outside and chrome lining inside, this barrel is built to handle high round counts and harsh conditions. The mid-length gas system delivers smoother cycling and reduced recoil, improving overall weapon handling.

Key Features:

  • Caliber: 5.56mm NATO
  • Barrel Length: 16"
  • Twist Rate: 1:7
  • Profile: Government
  • Gas System: Mid-length
  • Material: 4150 Chrome Moly Vanadium steel
  • Finish: Mil-Spec Heavy Phosphate (external), Chrome Lined (internal)
  • Threading: 1/2x28 TPI
  • Gas Port Diameter: 0.750"
  • Barrel Extension: A4
  • Manufacturing Process: Cold Hammer Forged
  • Made in the USA

Available Variants:

  • Stripped Barrel – 1.70 lbs
  • Barrel with Low Profile Gas Block – 1.78 lbs
  • Barrel with Front Sight Base – 2.01 lbs

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Frequently Asked Questions

What makes the Daniel Defense 16" 5.56mm Mid-Length AR Barrel a good choice for high round counts?

The Daniel Defense 16" 5.56mm Mid-Length AR Barrel is designed to withstand high round counts due to its robust construction. It is made from 4150 Chrome Moly Vanadium steel, which is known for its strength and durability. The barrel is also cold hammer forged, a process that enhances its longevity and accuracy. Additionally, the chrome lining inside the barrel provides resistance to corrosion and wear, ensuring that it can handle the stress of frequent firing without compromising performance.

How does the mid-length gas system benefit the performance of this barrel?

The mid-length gas system on the Daniel Defense 16" 5.56mm AR Barrel offers several performance benefits. It provides a smoother cycling action compared to shorter gas systems, which can result in reduced recoil and improved weapon handling. This makes it particularly advantageous for shooters who prioritize rapid follow-up shots and overall control during firing. The mid-length system also tends to be gentler on the internal components, potentially extending the life of the rifle.

What is the significance of the 1:7 twist rate for this barrel?

The 1:7 twist rate of the Daniel Defense 16" 5.56mm Mid-Length AR Barrel is designed to stabilize a wide range of bullet weights. This twist rate is particularly effective for heavier bullets, such as 62-grain or higher, which are often used in tactical and defensive scenarios. The faster twist helps ensure that these bullets maintain their trajectory and accuracy over longer distances, making this barrel a versatile choice for various shooting applications.

How does the Mil-Spec heavy phosphate finish contribute to the barrel's durability?

The Mil-Spec heavy phosphate finish on the Daniel Defense 16" 5.56mm Mid-Length AR Barrel provides an additional layer of protection. This finish is known for its ability to resist corrosion and wear, making it ideal for harsh environments and prolonged use. It helps maintain the barrel's integrity and appearance even after extensive use in challenging conditions. This durability is crucial for shooters who demand reliability from their firearms in all situations.

What are the advantages of using a Government-profile barrel?

The Government-profile of the Daniel Defense 16" 5.56mm Mid-Length AR Barrel offers a balanced approach to weight and performance. This profile provides enough mass to handle heat dissipation effectively, which is important during rapid fire or sustained shooting sessions. At the same time, it is not overly heavy, allowing for better maneuverability and ease of handling. This makes it a practical choice for both tactical and recreational shooting.

How does the cold hammer forging process enhance the barrel's performance?

Cold hammer forging is a manufacturing process that significantly enhances the performance of the Daniel Defense 16" 5.56mm Mid-Length AR Barrel. This process involves shaping the barrel under high pressure, which aligns the grain structure of the metal. The result is a barrel with increased strength and durability, as well as improved accuracy. Cold hammer forging also contributes to the barrel's ability to withstand high pressures and temperatures, making it a reliable choice for demanding shooting conditions.

What are the different variants available for this barrel, and how do they differ?

The Daniel Defense 16" 5.56mm Mid-Length AR Barrel is available in several variants, each catering to different preferences. These include a stripped barrel, a barrel with a low profile gas block, and a barrel with a front sight base. The stripped barrel is the lightest option, weighing 1.70 lbs, ideal for custom builds. The variant with a low profile gas block weighs 1.78 lbs and offers a sleek design for accessory mounting. The heaviest option, with a front sight base, weighs 2.01 lbs and is suited for those who prefer traditional iron sights.

Why is 4150 Chrome Moly Vanadium steel used for this barrel?

4150 Chrome Moly Vanadium steel is chosen for the Daniel Defense 16" 5.56mm Mid-Length AR Barrel due to its exceptional properties. This type of steel is known for its high tensile strength and resistance to wear and tear, making it ideal for firearms that experience high stress. Its composition allows for excellent machinability and heat treatment, resulting in a barrel that can endure extensive use while maintaining accuracy and performance. This makes it a preferred choice for shooters who require a reliable and long-lasting barrel.

What threading specifications does this barrel have, and why are they important?

The Daniel Defense 16" 5.56mm Mid-Length AR Barrel features 1/2x28 TPI threading, a standard specification for AR-15 barrels. This threading allows for compatibility with a wide range of muzzle devices, such as flash hiders, compensators, and suppressors. Having a standard threading ensures that users can easily customize their firearms with aftermarket accessories to suit their shooting needs. This flexibility is important for those who want to tailor their rifle's performance and handling.

How does the chrome lining inside the barrel affect its longevity and performance?

The chrome lining inside the Daniel Defense 16" 5.56mm Mid-Length AR Barrel plays a crucial role in enhancing its longevity and performance. Chrome lining provides a hard, corrosion-resistant surface that protects the barrel from the effects of heat and friction during firing. This lining reduces the rate of wear, allowing the barrel to maintain its accuracy and reliability over extended periods of use. While chrome lining can slightly affect precision, the trade-off in durability is often worth it for those who prioritize long-term performance.