FN M249 18 Inch Barrel Assembly

(2 reviews)
Current Stock:

FN M249 Barrel Assembly. This barrel assembly features a non reflective black finish. This assembly is made of steel components with a polymer carry handle. The barrel assembly includes the barrel, front sight assembly, and carry handle assembly. This barrel assembly for the M249 measures roughly 20-7/8 overall", with a legal barrel length of 18" and features a 1:7 RH twist rate. A factory replacement for the M249, M249S, M249 SAW and MINIMI and also used for converting to standard length barrel on the 5.56x45mm M249 PARA. Whether your firearm was manufactured by FNH, FN Herstal, FNH USA, or FN America, this original FN barrel should serve as a quality OEM factory replacement. FN America factory parts and accessories are made with the same quality in materials and workmanship that you have come to expect and trust from FN America.

NOTE: This barrel assembly measures 20-7/8" overall with the muzzle compensator and carry handle assembly. The legal barrel length is 18".


Barrel Length: 18"
Brand: FN America
Caliber: .223 Rem, 5.56x45mm
Finish / Color: Black
Material: Steel
Models Fit: M249 SAW,M249S,MINIMI


  • 5
    Condition correction

    Posted by Roger Herron on 21st Dec 2023

    The review which I previously submitted was based on used cond. barrels. This one appears to be new and I assume it would come unfired.

  • 4
    Taliban doorbell

    Posted by Roger Herron on 11th Jun 2022

    Shot some, but still very servicable.