ASSAULT RIFLE (32 rounds) - Standard fully automatic firearm of all UNSC branches, effective at both close-range and mid-range combat.

BATTLE RIFLE (36 rounds) - Utilizes precise, three-round burst functionality, making it a formidable mid-range, semi-automatic weapon.

DMR (14 rounds) - Premiere marksman rifle of the UNSC, offering impressive single-fire accuracy at reasonably long distances.

MAGNUM (8 rounds) - UNSC's personal sidearm of choice due to its excellence at close-range to mid-range engagements.

SHOTGUN (6 rounds) - Dominant close-quarters weapon specializing in boarding actions, breach maneuvers, and urban operations.

SAW (72 rounds) - Squad automatic weapon used in protracted engagements where sustained or suppressive fire is required.

STICKY DETONATOR (1 round) - Single-hand, short-range explosives launcher which can detonate remotely and at the operator's discretion.

RAILGUN (1 round) - Powerful linear accelerator that fires explosive rounds at tremendous speed to efficiently eliminate targets.

SPARTAN LASER (4 shots) - Formidable nonlinear coherent light rifle that is highly proficient at destroying vehicles over impressively long distances.

ROCKET LAUNCHER (2 rockets) - Devastating from close-range to mid-range, capable of tracking airborne vehicles after locking onto them.

SNIPER RIFLE (4 rounds) - Considered the UNSC's best long-range rifle, boasting formidable stopping power and unparalleled accuracy.