How a SCAR H 7.62 Rifle Works

Wikipedia:
Type Assault rifle (SCAR-L)
Battle rifle (SCAR-H)
Designated marksman rifle/Sniper rifle (SCAR-SSR)
Personal defense weapon (SCAR PDW, SCAR-SC)
Squad automatic weapon (HAMR)
Carbine (SCAR CQC)
Place of origin Belgium
Service history
In service 2009-present
Used by See Users
Wars War in Afghanistan
Iraq War
Yemeni Civil War
Conflict in Najran, Jizan and Asir
Russo-Ukrainian War
Mexican Drug War
Production history
Designer FN Herstal / FN America
Designed 2004
Manufacturer FN Herstal / FN America
Produced 2004-present
Variants See Variants
Specifications
Mass
3.04 kg (6.7 lb) (SCAR-L CQC)
3.29 kg (7.3 lb) (SCAR-L STD)
3.49 kg (7.7 lb) (SCAR-L LB)
3.49 kg (7.7 lb) (SCAR-H CQC)
3.58 kg (7.9 lb) (SCAR-H STD)
3.72 kg (8.2 lb) (SCAR-H LB)
2.50 kg (5.5 lb) (SCAR PDW)
4.85 kg (10.7 lb) (Mk 20 SSR)
Length
787 mm (31.0 in) stock extended, 533 mm (21.0 in) stock folded (SCAR-L CQC) [6]
889 mm (35.0 in) stock extended, 635 mm (25.0 in) stock folded (SCAR-L STD)
990 mm (39 in) stock extended, 736 mm (29.0 in) stock folded (SCAR-L LB)
889 mm (35.0 in) stock extended, 635 mm (25.0 in) stock folded (SCAR-H CQC)
965 mm (38.0 in) stock extended, 711 mm (28.0 in) stock folded (SCAR-H STD)
1,067 mm (42.0 in) stock extended, 813 mm (32.0 in) stock folded (SCAR-H LB)
632 mm (24.9 in) stock extended, 521 mm (20.5 in) stock collapsed (SCAR PDW)
1,080 mm (43 in) stock extended, 1,029 mm (40.5 in) stock collapsed (Mk 20 SSR)
Barrel length
254 mm (10.0 in) (SCAR-L CQC)
355 mm (14.0 in) (SCAR-L STD)
457 mm (18.0 in) (SCAR-L LB)
330 mm (13 in) (SCAR-H CQC)
400 mm (16 in) (SCAR-H STD)
500 mm (20 in) (SCAR-H LB)
171.45 mm (6.750 in) (SCAR PDW)
508 mm (20.0 in) (Mk 20 SSR)
Cartridge 5.56×45mm NATO (SCAR-L, SCAR PDW, SCAR-HAMR)
7.62×51mm NATO (SCAR-H, Mk 20 SSR)
6.5mm Creedmoor (Mk 20 SSR)
Action Gas-operated short-stroke piston, rotating bolt
Rate of fire 550-650 rounds/min
Muzzle velocity
SCAR-L: 2,870 ft/s (870 m/s) (M855), 2,630 ft/s (800 m/s) (Mk 262)
SCAR-H: 2,342 ft/s (714 m/s) (M80)
Effective firing range
SCAR-L: 300 m (330 yd) (CQC), 500 m (550 yd) (STD), 700 m (770 yd) (LB)
SCAR-H: 400 m (440 yd) (CQC), 600 m (660 yd) (STD), 800 m (870 yd) (LB)
Feed system
SCAR-L: STANAG box magazine
SCAR-H, SSR: 20-round box magazine
Sights Iron sights and Picatinny rail for various optical sights