Daniel Defense  |  SKU: RSR-DD07-077-17022-018

Daniel Defense – 12.5" 5.56 NATO CHF AR-15 Barrel, Gov Profile

Regular price $40595
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Barrel Configuration

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Description

The Daniel Defense 12.5” 5.56mm Cold Hammer Forged Barrel is engineered for shooters who demand maximum durability, accuracy, and reliability from a compact AR-15 platform. Manufactured by Daniel Defense using a proprietary cold hammer forging process, this barrel is built from 4150 Chrome Moly Vanadium steel and designed to withstand extreme round counts and harsh operating conditions.

Featuring a 1:7 twist rate, chrome-lined bore, and mil-spec heavy phosphate exterior finish, this barrel excels with a wide range of 5.56 NATO ammunition. The carbine-length gas system ensures reliable cycling in shorter-barrel builds, making it an excellent choice for duty rifles, defensive carbines, and preparedness-focused SBR configurations.

Whether you’re assembling a hard-use AR-15 for training, emergency readiness, or professional applications, this government-profile barrel delivers the proven performance and longevity Daniel Defense is known for.

Key Features:

  • Cold Hammer Forged construction for extended barrel life
  • 4150 Chrome Moly Vanadium steel for superior strength
  • Chrome-lined bore and chamber for corrosion resistance
  • Mil-spec heavy phosphate exterior finish
  • Carbine-length gas system optimized for 12.5” barrels
  • Government profile with .750″ gas block journal
  • 1/2 × 28 TPI muzzle threads

Weight Options:

  • Stripped Barrel: 1.40 lbs
  • Barrel with Low Profile Gas Block: 1.48 lbs
  • Barrel with Front Sight Base: 1.71 lbs

NFA Disclaimer:
Once this barrel is assembled into a complete firearm, it may become a regulated item under the National Firearms Act (NFA). It is the buyer’s responsibility to ensure compliance with all federal, state, and local laws.

Specifications:

  • Caliber: 5.56mm NATO
  • Barrel Length: 12.5"
  • Manufacturing Process: Cold Hammer Forged
  • Twist Rate: 1:7
  • Muzzle Threads: 1/2 × 28 TPI
  • Material: Chrome Moly Vanadium Steel
  • Exterior Finish: Mil-Spec Heavy Phosphate
  • Interior Finish: Chrome Lined
  • Gas System Length: Carbine
  • Gas Block Journal: .750"
  • Barrel Extension: A4
  • Profile: Government
  • Weight (Stripped): 1.40 lbs

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