Daniel Defense 18" S2W Heavy Barrel 1:7 Rifle Length Gas System 07-116-05042-018 – Premium AR-15 Barrel
The Daniel Defense 18" S2W Heavy Barrel 07-116-05042-018 is a high-performance, precision-manufactured barrel designed for serious shooters who demand accuracy, durability, and reliability. Featuring Daniel Defense’s proprietary S2W (Strength to Weight) heavy barrel profile, this 18-inch barrel delivers an excellent balance of rigidity, heat dissipation, and manageable weight. With a 1:7 twist rate and rifle-length gas system, this barrel is optimized for 5.56 NATO and .223 Remington ammunition, making it ideal for precision rifle builds, long-range shooting, suppressed configurations, and general-purpose AR-15 platforms. Finished in a durable matte black, this barrel is manufactured to Daniel Defense’s exacting standards using premium materials and advanced machining processes.
Whether you are building a precision AR-15, a suppressed rifle, or a versatile all-purpose carbine, the Daniel Defense 18" S2W Heavy Barrel provides the performance and quality that competitive shooters and professionals have come to expect from Daniel Defense.
Key Features of the Daniel Defense 18" S2W Heavy Barrel
S2W Heavy Barrel Profile
Daniel Defense’s proprietary Strength to Weight profile offers increased rigidity and better heat dissipation while maintaining a reasonable overall weight.
1:7 Twist Rate
Fast 1:7 twist rate stabilizes a wide range of bullet weights, including heavier 62gr, 69gr, and 77gr projectiles for improved long-range accuracy.
Rifle Length Gas System
Rifle-length gas system provides smooth cycling, reduced recoil, and excellent reliability, especially when paired with a suppressor.
Matte Black Finish
Durable matte black finish reduces glare and provides excellent corrosion resistance for long-term field use.
Precision Machined
Manufactured using advanced CNC machining and strict quality control for consistent accuracy and performance.
5.56 NATO Compatible
Chambered for 5.56 NATO with a .223 Wylde-compatible chamber for excellent accuracy with both military and commercial ammunition.
Why Choose the Daniel Defense 18" S2W Heavy Barrel?
The Daniel Defense 18" S2W Heavy Barrel 07-116-05042-018 is an outstanding choice for builders seeking a premium barrel that excels in both precision and durability. The S2W heavy profile is specifically engineered to reduce barrel whip and improve accuracy during sustained fire, making it particularly well-suited for precision rifle competitions, long-range shooting, and suppressed builds where heat management is critical.
Daniel Defense is widely regarded as one of the top manufacturers of AR-15 components in the industry. Their barrels are known for exceptional quality, tight tolerances, and consistent performance. The combination of the 1:7 twist rate and rifle-length gas system makes this barrel highly versatile, performing well with both light and heavy bullet weights while delivering smooth, reliable operation. Whether you are assembling a high-end precision AR-15, a suppressed rifle, or a dependable general-purpose build, the Daniel Defense 18" S2W Heavy Barrel offers the accuracy, reliability, and build quality that serious shooters demand.
Technical Specifications
| Specification | Details |
|---|
| Brand | Daniel Defense |
| Model Number | 07-116-05042-018 |
| UPC | 815604019187 |
| Barrel Length | 18 Inches |
| Twist Rate | 1:7 |
| Gas System | Rifle Length |
| Barrel Profile | S2W Heavy |
| Finish | Matte Black |
| Caliber | 5.56 NATO / .223 Remington |
| Best For | Precision Shooting, Suppressed Builds, Long Range, Competition |
Shop the Daniel Defense 18" S2W Barrel Today!
The Daniel Defense 18" S2W Heavy Barrel 1:7 Rifle Length Gas System 07-116-05042-018 (UPC 815604019187) is a premium AR-15 barrel featuring an 18-inch S2W heavy profile, 1:7 twist rate, and rifle-length gas system. Finished in matte black, this high-quality barrel is designed for precision, reliability, and excellent heat management. The Daniel Defense 18" S2W Heavy Barrel is an ideal choice for building accurate, dependable, and versatile 5.56 NATO rifles.
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