M79

Lore & Background

In the Rust world, the M79 is not manufactured; it is scavenged. The post-collapse landscape is littered with the detritus of a military that no longer has a chain of command, and weapons like the M79 surface in supply caches, abandoned outposts, and the hands of well-networked traders. Its single-shot design, once a logistical simplicity in a field army, becomes a deliberate tactical choice in a world where a single well-placed round can level a two-story base and scatter its occupants across the overgrown terrain.

Survivor communities tend to treat the M79 with a mix of reverence and caution. It is the kind of weapon that a small, tight-knit group can field, but the moment it is fired near a settlement, the political consequences are immediate. Alliances fracture. Retaliations are planned. The M79 does not just destroy structures; it destroys the fragile social contracts that keep the wasteland from becoming a free-for-all at every intersection.

There is a particular grim poetry to the M79 in this setting: a weapon designed for a soldier to lob over a ridge at an entrenched enemy, now pressed into service against prefab walls, metal plates, and the stubborn hope of a group that spent three weeks building a home out of scrap.

In Their Own Story

The rain had been falling for two days, turning the red dirt outside the compound into a slick, sucking morass. Kael crouched behind a stack of salvaged shipping containers, the M79 cradled against his chest, its single 40 mm round already seated in the chamber. He could smell the gunpowder, faint and acrid, mixing with the wet-metal stink of the overgrown ruins around him.

Across the clearing, the base was alive with light. Three floors of welded plate and reinforced glass, a generator humming in the courtyard, the soft clink of someone pouring a drink on the top deck. They had no idea. They had no idea that the ground beneath their west wall was about to become a shallow lake of broken concrete and twisted rebar.

Kael exhaled. Sighted in. The world narrowed to the crosshair and the wet, groaning sky.

He pulled the trigger.

The concussion hit him in the sternum even from forty meters out. The round arced, slow and fat, and the world went white at the base of the wall. Then the wall was not there. Neither was the floor beneath it. The generator's hum cut off mid-cycle. And in the ringing silence that followed, Kael was already reaching for his pistol, because the M79's job was done, and the next job was entirely different.

Reader's Guide

The M79 is a Tier 3 single-shot launcher that fires one 40 mm high-explosive round per trigger pull. Its damage is delivered in a wide splash radius, making it punishing against grouped targets and extremely effective against walls, floors, and vehicle hulls. Rate of fire is the defining limitation: you get one round, then a reload window that leaves you exposed.

Crafting requires Metal Fragments, Gun Powder, Cloth, and Sulfur, placing it firmly in the mid-to-late-game resource bracket. You will not be pulling one out of a Tier 1 cache; it is a deliberate investment of gathered materials.

In a loadout, the M79 slots in as your area-damage and structure-breaker. Pair it with a fast-firing sidearm (9 mm SMG, pistol, or rifle) for the close-quarters follow-up, and carry a shield or body armor to survive the reload window. It is not a primary dueling weapon; it is the tool you pull when a base is too thick for your rifle to chew through quickly.

In the current meta, the M79 remains a staple of organized raids and base-defense denial, though its single-round nature means it rewards positioning and timing over raw aggression. Against a well-armored, spread-out group it can feel underwhelming; against a clustered compound it is simply the most efficient demolition tool in the game.

Did You Know?

• The M79 in Rust is a single-shot weapon: you fire one 40 mm round, then must reload before you can fire again, making positioning and timing far more critical than with fully automatic options.
• Its 40 mm high-explosive round deals damage in a radius, meaning it can hit multiple players or multiple sections of a structure with a single shot, which is why it is a go-to for base raiding.
• The real-world M79 is a classic single-shot 40 mm grenade launcher that entered service in the 1960s and saw extensive use in the Vietnam War, a piece of military history that Rust's scavenged-world setting naturally inh
• Because the M79 is Tier 3, it sits above the more common Tier 1 and 2 firearms in the crafting and loot hierarchy, making it a meaningful power milestone for a survivor working their way up the tech tree.