FN Five-seven - Design Details - Sights and Accessories

Sights and Accessories

The Five-seven has a sight radius of 178 mm (7 in); the pistol is currently offered with either adjustable sights or fixed sights. The "three-dot" type adjustable sights consist of a 2.9-mm (0.12 in) square notch rear and a 3.6-mm (0.14 in) blade front, which has a height of 9.2 mm (0.36 in). The sights are targeted at 91.4 m (100 yd), but can be adjusted for either windage or elevation. The "three-dot" type C-More fixed sights, which are offered as a low profile alternative to the adjustable sights, can only be adjusted for windage. The fixed sights are targeted at 7.6 m (25 ft) using SS195LF ammunition, and are available with or without tritium-illuminated inserts ("night sights") to aid use of the pistol in dim lighting.

The Five-seven is supplied with a lockable hard case, a locking device and keys, a magazine release reversal tool, a sight adjustment tool (not included with the fixed sights model), a cleaning kit, an owner's manual, and three 20-round magazines (or three 10-round magazines, where restricted by law).

The Five-seven can be used in conjunction with a wide range of firearm accessories; holsters are offered by various manufacturers, and the pistol's MIL-STD-1913 (Picatinny) accessory rail will accept tactical lights or laser aiming devices. With the use of an extended, threaded barrel, the pistol can also be fitted with various sound suppressors developed by Advanced Armament Corporation, Gemtech, Silencerco, and other manufacturers. The Gemtech SFN-57, which was developed in 1998 specifically for use with the Five-seven, is a matte black aluminum suppressor with a length of 147 mm (5.8 in), a diameter of 32 mm (1.25 in), and a weight of 147 g (0.33 lb). Israeli manufacturer FAB Defense offers a complete PDW conversion kit for the Five-seven, designated the KPOS G2 FN 5.7, that allows the pistol to be reconfigured into a shoulder-fired personal defense weapon, and CornerShot offers a weapon system compatible with the Five-seven that allows the shooter to aim and fire around corners without being exposed.

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