All SCAR rifles have the fire rate of 625 rounds/min.
The SCAR-H has a heavier barrel than the SCAR-L and shoots the larger 7.62x51mm round. The muzzle velocity is 2,342 ft/s, or 714 m/s. The standard magazine size is a 20 round box mag, and it comes in three different barrel lengths:
330 mm (13 in) (SCAR-H Short)
400 mm (16 in) (SCAR-H Standard)
500 mm (20 in) (SCAR-H Long)
Each barrel length has different wheights, naturally.
3.58 kg (7.9 lb) (SCAR-H Short & Standard)
3.72 kg (8.2 lb) (SCAR-H Long)
The SCAR-L has a lighter barrel than the SCAR-H and shoots the smaller 5.56x45mm round. The muzzle velocity is 2,870 ft/s, or 870 m/s. The standard magazine size is a 30 round STANAG magazine, and also comes in three barrel lengths.
253 mm (10.0 in) (SCAR-L Short)
351 mm (13.8 in) (SCAR-L Standard)
457 mm (18.0 in) (SCAR-L Long)
Each barrel length has different weights, naturally.
3.04 kg (6.7 lb) (SCAR-L Short)
3.29 kg (7.3 lb) (SCAR-L Standard)
3.49 kg (7.7 lb) (SCAR-L Long)