FN America Rifle Barrel for AR-15 556 NATO – 10.5″ Length, 1:7 Twist (20-100037)

• Rifle barrel designed for AR platform firearms chambered in 5.56 NATO caliber
• Features 10.5 inch barrel length suitable for compact rifle configurations
• 1 to 7 twist rate stabilizes a wide range of bullet weights
• Button rifled construction enhances accuracy and consistent internal barrel finish
• Carbine length gas system supports reliable cycling in AR rifle platforms
• Manufactured from chrome moly vanadium steel meeting military material specifications

The FN America 10.5″ 556NATO 1:7 Twist Button Broached AR-15 Barrel Black is a rifle barrel designed for AR-15 platform builds and replacements. This rifle barrel features a 10.5 inch length with a 1:7 twist rate and is chambered in 5.56 NATO, providing a compact configuration for compatible rifles.

The FN America rifle barrel is manufactured from chrome moly vanadium steel and uses a button-rifled bore construction. It includes a carbine-length gas system and M16 contour profile, and is high pressure tested and magnetic particle inspected for quality control. In standard configurations, this 10.5 inch barrel is used for AR-15 rifles requiring a carbine gas system and 5.56 NATO chambering. The matte black finish supports corrosion resistance, and the barrel is categorized under rifle barrels for AR platform components.