Daniel Defense DD Barrel 5.56x45mm NATO 14.50" AR-15 4150 Chrome Moly Vanadium Steel Black Phosphate Midlength Lightweight Profile 0707719125018

Manufacturer: Daniel Defense
SKU: 855840
Manufacturer part number: 0707719125018
UPC: 852548002448
Availability: 9 in stock
Old price: $364.00
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Build a fast-handling, duty-ready AR with premium materials and a proven configuration using the Daniel Defense DD Barrel in 5.56x45mm NATO, 14.50". Engineered for shooters who want a reliable balance of weight, durability, and performance, this barrel is made from 4150 Chrome Moly Vanadium (CMV) steel, finished in rugged black phosphate, and configured with a smooth-running midlength gas system. The lightweight profile helps keep the rifle quick to shoulder and easy to maneuver—ideal for training, general-purpose use, and performance-focused builds. Identified by Part # 0707719125018 and UPC: 852548002448, this is the correct Daniel Defense 14.5" barrel for builders who want authentic DD quality in a modern midlength setup.

If you’re searching for a Daniel Defense 14.5 barrel, a DD 5.56 NATO midlength lightweight barrel, or a 14.50" AR-15 CMV barrel, this model is a standout foundation for a high-quality build.


14.50" Barrel Length: The Sweet Spot for Handling and Capability

A 14.5-inch barrel length is popular for shooters who want a rifle that’s compact and agile while still maintaining strong practical capability. It’s a favorite in many serious AR builds because it offers:

  • Faster handling and easier movement in tighter spaces

  • A lighter, more balanced feel than longer barrels

  • Excellent general-purpose utility for training and range use

  • A modern “do-it-all” configuration when paired with the right components

Many builders choose 14.5" barrels for their combination of maneuverability and performance—especially in a midlength gas setup.

(Always ensure compliance with all federal, state, and local laws regarding barrel length and firearm configuration. Some setups may require specific muzzle device choices and installation methods to meet legal requirements.)


5.56x45mm NATO Chambering: Versatile, Widely Supported

Chambered in 5.56x45mm NATO, this barrel is designed for one of the most common and widely supported AR cartridges in the world. 5.56 NATO is valued for:

  • Wide availability of ammunition options

  • Manageable recoil for fast follow-up shots

  • Broad compatibility with AR-15 components and magazines

  • Proven performance for training and general-purpose shooting

For builders who want a practical caliber with extensive support and flexibility, 5.56 NATO remains the go-to choice.


Midlength Gas System: Smooth Cycling and Modern Shootability

This barrel uses a midlength gas system—a preferred configuration for many shooters running 14.5" builds. Midlength setups are commonly chosen because they can provide:

  • A smoother recoil impulse compared with shorter gas systems in many builds

  • Enhanced shootability for longer training sessions

  • A well-balanced operating cycle that pairs well with modern components

For shooters focused on comfort, control, and consistent cycling, midlength gas is often considered the modern standard for this barrel length class.


Lightweight Profile: Quick Handling Without Unnecessary Bulk

The lightweight profile is designed to reduce front-end weight and keep the rifle lively in the hands. Less weight out front can help:

  • Improve balance and reduce fatigue over long sessions

  • Increase speed during target transitions

  • Make the rifle feel more responsive in positional shooting

  • Support a more comfortable carry in field or class environments

A lightweight-profile 14.5" barrel is a popular choice for shooters building an AR that emphasizes mobility and practical handling.


4150 Chrome Moly Vanadium Steel: Premium Barrel Material

Daniel Defense uses 4150 CMV steel, a respected barrel material associated with durability and long service life. Shooters often choose CMV barrels for builds intended for regular training and hard use because the material is known for:

  • Strong durability under sustained use

  • Good wear resistance when properly maintained

  • Confidence-inspiring performance over time

When the barrel is the heart of your build, quality steel matters—especially if you plan to shoot often.


Black Phosphate Finish: Rugged, Low-Glare Protection

This DD barrel features a black phosphate finish, a classic and practical coating used on serious-use firearm components. Black phosphate is valued for:

  • A low-glare, duty-ready appearance

  • A rugged exterior finish that complements most AR builds

  • A professional look that pairs with black receivers and handguards

With normal maintenance and proper lubrication, phosphate-finished components are a solid choice for long-term use.


Why Choose the Daniel Defense 14.50" Midlength Lightweight Barrel?

If you want an AR barrel that blends modern shootability with premium materials and a lightweight handling profile, this Daniel Defense 14.5" is a top-tier option. It’s ideal for builders who want DD quality in a configuration that excels in training, general-purpose use, and performance setups.

Choose it if you want:

  • A 14.50" barrel that balances handling and capability

  • Midlength gas system for smooth cycling and comfort

  • Lightweight profile for fast, responsive rifle handling

  • Premium 4150 CMV steel construction

  • Rugged black phosphate finish

  • Authentic Daniel Defense identification for correct ordering


Product Details for Easy Identification and Reordering

Use these identifiers to confirm you’re purchasing the correct model:

  • Brand: Daniel Defense

  • Product: DD Barrel

  • Caliber/Chamber: 5.56x45mm NATO

  • Barrel Length: 14.50"

  • Gas System Length: Midlength

  • Profile: Lightweight

  • Material: 4150 Chrome Moly Vanadium Steel

  • Finish: Black Phosphate

  • Part Number: 0707719125018

  • UPC: 852548002448


A Premium 14.5" Daniel Defense Barrel for Modern AR Builds

The Daniel Defense DD 14.50" 5.56 NATO Barrel is a high-quality foundation for shooters building a modern, smooth-running AR-15. With a midlength gas system, lightweight profile, premium 4150 CMV steel, and rugged black phosphate finish, it delivers the handling and durability serious shooters want—making it a standout choice for training rifles, general-purpose carbines, and performance-focused builds.

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Products specifications
SubCategoryBarrels
ManufacturerDaniel Defense
CategoryParts
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