From Billet To Bullet, M249 SAW Posted July 25, 2016 in Guns & Gear, NFA / Suppressors / Class III, Other Gear & Gadgets by Nicholas C with 3 CommentsTags: FN America, FNH USA, full auto, M249SAW, machine gun Jim Grant of Burst Review just posted a video showcasing the manufacturing process of the FN M249 SAW. Nothing much more fun than dumping loads of ammo through a belt fed automatic weapon.