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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