Firearms; sporting guns, namely, firearms; ballistic weapons, namely, firearms; high-performance weapons, namely, firearms; hunting firearms, namely, shotguns and rifles; training weapons, namely, firearms; recreational weapons, namely, firearms; air guns; air soft gun weapons, namely, air pistols and rifles and parts for this kind of arms; gas weapons, namely, gas pistols; rifles; sub-rifles; sniper rifles; machine guns; grenade rifles; heavy machine guns; large-caliber machine-guns; general-purpose machine guns; light machine guns; flare guns; ammunition for weapons; shells; rifle cases; replicas of firearms for use as weapons, and parts therefor; parts and fittings for the aforesaid firearms, namely, upper and lower receivers, barrel assemblies, firearm rail systems, firearm gas blocks for transferring gases within firearms, firearm vertical grips, firearm sights, firearm sling mounts, firearm optics mount, and firearm flashlight mounts