Box of 12g Rounds

Box of 12g Rounds is an ammo item in Project Zomboid. It weighs 1.5. Build 42.21 data, November 2026.

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Box of 12g Rounds at a glance

Ammo Firearms

It weighs 1.5.

Weight1.5

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What it is and how to use it

Every gunshot is loud and draws zombies from a long way off. Ammunition, magazines and attachments are separate items, and the Aiming skill decides how often you hit.

More: Firearms and aiming · Weapons and ammo.

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Item ID and variants

Use the item ID in sandbox loot settings, admin tools and mods.

Item ID	Game category
`Base.ShotgunShellsBox`	Ammo

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Where it spawns: the loot tables

Box of 12g Rounds is on 8 loot tables in the game files. Share is how much of a table's total weight this item takes, before your sandbox loot settings. Each container rolls its table several times, so a bigger share and more rolls both mean you see it more often.

Loot table	Where that table is used	Share	Rolls
SWAT Storage Ammunition	Police SWAT room (shelves)	25%	4
Army Storage Ammunition	Any building (locker); Army storage (shelves, military crate)	14%	4
Police Storage Ammunition	Special spawn (vehicles, events or zombies)	14%	4
Gun Store Ammunition	Gun Store (box, cupboard, crate, …); Gun store storage (box, crate, locker, …); Hunter storage (shelves); and 3 more places	9.7%	4
Police State Tools	Special spawn (vehicles, events or zombies)	8.2%	3
Police Tools	Special spawn (vehicles, events or zombies)	7.7%	3
Ranger Tools	Special spawn (vehicles, events or zombies)	6.7%	3
Gun Store Mags Ammo	Gun Store (display case)	5.5%	4

On zombies: zombies in these outfits can carry it: Bandit Late, Bandit Mid, Bandit Early, Survivalist, Survivalist 02, Survivalist 02 Late, Survivalist 02 Mid, Survivalist 03 and 13 more.

Inside bags and cases: Ammunition Box, Cloth Gun Case, Gun Case, Gun Case - Military and more.

Town by town: loot locations.

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