The TRAC-5 S carbine provides slightly more versatility over the TRAC-5 with its multiple firing modes and additional attachments. As a trade-off to its versatility, it will be outmatched in terms of rate of fire, reload speed, and handling. The weapon has the unique option of equipping an underbarrel grenade launcher , smoke launcher , or shotgun as a rail attachment. Keep in mind that ammo for an underbarrel weapon can be replenished by an engineer's ammo pack! Its affectiveness at medium ranges give it its versatility, which is more suitable to the engineer than the light assault because of the light assaults primary focus on CQC. This generally means the TRAC-5S is a desirable weapon if don't plan on being drawn out of your weapons situational advantage or if you generally play suppor