Variants
The FNC is produced in two primary configurations: a standard rifle and short (carbine) length. The rifle variant called the "Standard" Model 2000 and the "Short" Model 7000 carbine come equipped with barrels with 6 right-hand grooves and a 178 mm (1:7 in) rifling twist rate (used to stabilize the heavier Belgian SS109 bullets), while the Model 0000 rifle and Model 6000 carbine—a slower, 305 mm (1:12 in) twist rate (used with the American lightweight M193 cartridges).
The Swedish service rifle built by Bofors Ordnance (currently BAE Systems Bofors) is a modernized Model 2000 carbine that lacks the burst fire control setting. It was accepted into service in 1985 as the Ak 5 after extensive trials and replaced the 7.62mm Ak 4 (locally produced copy of the Heckler & Koch G3). Bofors has produced several variants of the basic Ak 5: the Ak 5B (equipped with a British 4x SUSAT optical sight but no mechanical iron sights), the Ak 5C (a modular carbine variant designed for compatibility with various accessories), and the Ak 5D (a compact variant for vehicle crews).
Fabrique Nationale offers a semi-automatic only carbine version known as the Law Enforcement (Model 7030 with a 1 in 178 mm rifling twist and the Model 6040—with a 1 in 305 mm twist rate). These single-fire carbines feature a 410 mm (16.1 in) barrel and are also capable of firing rifle grenades and mounting a bayonet.
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