M77 Assault Rifle

Weapons in Marathon are one of the main parts of your build. Bungie says weapons are moddable and work together with Implants and Cores, which means your weapon choice affects more than just damage output.

Current community databases list 29 weapons in Marathon. That number is spread across 9 weapon categories and may change over time as the game gets updated.

The current weapon categories in Marathon are Assault Rifles, Submachine Guns, Light Machine Guns, Pistols, Sniper Rifles, Shotguns, Precision Rifles, Railguns, and Melee. Each class fills a different role, from close-range to long-range picks and heavy burst damage.

Yes. You can swap weapon mods, and you can inspect a weapon to open its mod workbench. That gives you room to tune a weapon around your playstyle or your current build.

Yes. Bungie says faction upgrade trees can help unlock better purchasable weapons, along with other account-wide progression benefits like stronger starting loadouts and extra utility.

This page helps you browse the full Marathon weapon list, check weapon categories, individual weapons, and understand how each gun fits into the game. It is meant to give you a clear place to compare weapons, learn the basics, and quickly find the info you need before a run.