TECHNICAL DATA

SG 553 LB (Long Barrel) /

SG 553 SB (Short Barrel)

Caliber
5,56 mm (.223 Rem.)

Overall length
822 mm/32,36" (LB), 730 mm/28,74" (SB)

Overall hight
210 mm/8,27"

Length with butt stowed
593 mm/23,35" (LB), 501 mm/19,72" (SB)

Barrel length LB (with flash hider)
347 mm/13,66"

Barrel length SB (without flash hider)
227 mm/8,94"

Rifling Lead
178 mm/7” (LB), 254 mm/10” (SB)

No. of grooves
6

Sight base
339 mm/13,35"

Weapon weight
3,4 kg/7.5 lbs. (LB), 3,2 kg/7.1 (SB)

Magazine capacity
5, 10, 20, 30

Mag. Weight with 20, 30 rounds
340 g/11.99 oz., 480 g/16.93 oz.

Combat weight with 120 rounds
5,4 kg/11.90 lbs (LB), 5,2 kg/11.46 lbs (SB)

Weight of empty mag. 20, 30 rounds
95 g/3.35 oz., 110 g/3.38 oz.

Trigger pull weight
35 N (3,5 kg)

Muzzle energy
1480 J (LB), 1240 J (SB)

Cyclic rate
approx. 700-800 rounds/min (LB),
approx. 700-850 rounds/min (SB)

Function principle
Gas operated

Bolt pattern
Rotating bolt


Long Barrel (LB), Short Barrel (SB)