How a FN F2000 Bullpup Rifle Works

Wikipedia:

The FN F2000 is a 5.56×45mm NATO bullpup rifle, designed by FN Herstal in Belgium.[5] The F2000 made its debut in March 2001 at the IDEX defence exhibition held in Abu Dhabi, in the United Arab Emirates. As of early 2019, the F2000 is removed from the FN international and US websites.

Type Bullpup assault rifle
Semi-automatic rifle (FS2000)
Place of origin Belgium
Service history
In service 2001–present
Used by See Users
Wars See Conflicts
Production history
Designed 1995–2001
Manufacturer FN Herstal
Produced 2001–present
Variants See Variants

   F2000
   F2000 Tactical
   FS2000
   F2000 S

Specifications
Mass

   3.6 kg (7.9 lb) (F2000)[1]
   3.39 kg (7.5 lb) (F2000 Tactical)[2]
   3.65 kg (8.0 lb) (FS2000)[3]
   3.44 kg (7.6 lb) (FS2000 Tactical)[4]

Length

   688 mm (27.1 in) (F2000)[1]
   688 mm (27.1 in) (F2000 Tactical)[2]
   744 mm (29.3 in) (FS2000)[3]
   744 mm (29.3 in) (FS2000 Tactical)[4]

Barrel length

   400 mm (16 in) (F2000)[1]
   400 mm (16 in) (F2000 Tactical)[2]
   443 mm (17.4 in) (FS2000)[3]
   443 mm (17.4 in) (FS2000 Tactical)[4]

Width 81.3 mm (3.20 in)[3]
Height 259.1 mm (10.20 in)[3]
Cartridge 5.56×45mm NATO[5]
Action Gas-operated, rotating bolt[5]
Rate of fire 850 rounds/min
Muzzle velocity 900 m/s (2,953 ft/s)
Effective firing range 500 m (1,600 ft)
Feed system Detachable box magazines; capacities:

   10 rounds (restricted)[3]
   30 rounds (standard STANAG)[5]

Sights 1.6× magnified telescopic sight, notch back-up sight