FN M249S Semi-Auto Rifle 5.56 NATO 18.5 in FDE

About this product

The FN M249S is the semi-automatic civilian version of the FN MINIMI/M249 SAW platform, designed to offer proven, durable performance in a modern sporting rifle configuration. Chambered for 5.56x45mm NATO, the rifle features an FN cold hammer-forged, chrome-lined 18.5 inch barrel and operates from a closed-bolt position. The design accepts both detachable magazines and standard disintegrating link belts, and it ships with an integral folding bipod and folding carry handle. The M249S is finished in Flat Dark Earth and includes features intended for practical range use, training, and support-role applications.

Key Specifications

• Chambered for 5.56x45mm NATO (.223 Rem).
• Features an 18.5 inch cold hammer-forged, chrome-lined barrel.
• Operates from a closed-bolt position.
• Action type is semi-automatic.
• Feed system accepts disintegrating link belts or detachable box magazines.
• Includes 1 x 30-round magazine and supports linked ammunition belts.
• Ships with an integral folding bipod and folding carry handle.
• Stock finish is Flat Dark Earth with a fixed hydraulic buffer and non-slip buttplate.
• Top cover includes an integrated MIL-STD-1913 (Picatinny) rail for optics.
• Barrel has a removable heat shield and quick-change capability.

Built from a lineage of proven FN engineering, the M249S combines robust construction and practical feeding options in a familiar platform. Its chrome-lined barrel, durable finish, and accessory-ready receiver make it a versatile choice for informed shooters seeking reliable semi-automatic performance for range work, training, and support-style shooting applications.