FN America 16-inch M16-pattern barrel built for a 5.56mm NATO mid-length gas system. This barrel uses button broached rifling and is finished in black for a clean, service-ready fit on compatible M16-style builds.

Key features

• M16-style platform compatibility for 5.56mm NATO builds
• Button broached construction for consistent rifling
• 16-inch barrel length tuned for the mid-length gas system
• Black finish for a factory-like look

Upgrade or build an FN-spec style configuration with a mid-length 16-inch M16-pattern barrel designed for reliable 5.56mm NATO performance.