Daniel Defense 12.5" Government Profile 5.56 NATO Barrel w/ Low Pro Gas Block - Carbine-Length Gas

Daniel Defense 12.5" Government Profile 5.56 NATO Barrel - Carbine-Length Gas
with Low Profile Gas Block

When your AR-15 build demands elite performance in a compact form, the Daniel Defense 12.5" Cold Hammer Forged Barrel delivers with unmatched precision, durability, and craftsmanship. Forged from 4150 Chrome Moly Vanadium steel using Daniel Defense’s proprietary Cold Hammer Forging process, this barrel offers a defect-free bore and the most consistent chamber possible—ensuring tight shot groups and long-term reliability.

Designed for carbine-length gas systems and finished with a rugged mil-spec heavy phosphate coating, this government-profile barrel is chrome-lined for enhanced corrosion resistance and longevity. Whether you're building a duty-grade SBR, a tactical CQB setup, or a high-performance range rifle, this barrel is engineered to exceed expectations and backed by Daniel Defense’s commitment to quality.

Cold Hammer Forged Construction
Produces a defect-free bore and consistent chamber for superior accuracy and extended barrel life.

Compact 12.5" Length
Ideal for short-barreled rifle builds and tactical maneuverability without sacrificing performance.

Carbine-Length Gas System
Optimized for reliable cycling and recoil control in compact configurations.

Government Profile
Balances strength and weight for versatile use in demanding environments.

4150 Chrome Moly Vanadium Steel
Premium-grade alloy resists heat and wear, ensuring long-term durability.

Chrome-Lined Bore
Enhances barrel longevity and simplifies cleaning under high round counts.

Mil-Spec Heavy Phosphate Finish
Provides corrosion resistance and a matte-black tactical appearance.

Made in the USA
Manufactured in Daniel Defense’s state-of-the-art facility in Black Creek, GA.

Specifications

• Caliber: 5.56mm NATO
• Barrel Length: 12.5 inches
• Manufacturing Process: Cold Hammer Forged
• Twist Rate: 1:7
• Muzzle Thread: 1/2 × 28 TPI
• Material: 4150 Chrome Moly Vanadium Steel
• Outside Finish: Mil-Spec Heavy Phosphate
• Inside Finish: Chrome
• Gas System: Carbine Length
• Diameter at Gas Port: .750 inches
• Barrel Extension: A4
• Barrel Profile: Government
• Weight w/ Low Profile Gas Block: 1.48 lbs