|Ammunition Type||5.56x45mm NATO|
|Rate of Fire||700 RPM|
|Unlocked At||378000 CO-OP Score|
|Faction||USMC & Spetsnaz|
The SG553LB is a shortened, carbine version of the SG550 that appears in Battlefield 3.
"A Carbine variant of the Swiss Army’s standard SG550 rifle, the SG553 improves over its predecessor the well-known SG552 by including integrated rails for mounting accessories. A Carbine with excellent ergonomics, the SG553 is capable of Automatic, 3 Round Burst, and Semi-Automatic fire and is an excellent close range weapon."-ingame description