FN 20-100405 AR-15 5.56 NATO 14.7" M4 Carbine Barrel
Cold hammer-forged FN AR-15 barrel in 5.56 NATO with 14.7" M4 profile, chrome-lined bore, and manganese phosphate finish for superior durability and corrosion resistance.
Fits: AR-15
FN Cold Hammer-Forged AR-15 Barrel
FN's AR-15 barrels represent the pinnacle of barrel manufacturing, employing the same cold hammer-forging process and proprietary Chrome Moly Vanadium steel used in FN's legendary machine gun barrels. This heritage of quality translates directly to a component built to withstand sustained use and deliver consistent performance.
Quality Assurance
Every barrel undergoes magnetic particle testing to eliminate microscopic stresses and flaws before leaving the factory. This rigorous quality control ensures that each barrel meets FN's exacting standards for consistency and reliability.
Durability Features
- Chrome-lined bore and chamber — Resists corrosion and heat erosion, significantly extending barrel life
- M4 profile — Balances weight and heat dissipation for practical carbine use
- Carbine-length gas system — Optimized for 14.7" barrel length
- M4-style feed ramps — Ensures reliable feeding and extraction
- Manganese phosphate finish — Matte black appearance resists external corrosion and oxidation
Specifications
Caliber: 5.56x45mm NATO | Barrel Length: 14.7" | Profile: M4 | Gas System: Carbine Length | Finish: Matte Black Manganese Phosphate
This is a serious barrel for shooters who demand reliability and longevity in their AR platform rifle.
