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Oct 27 · 42.22 pre-release: ladders and crowbar break-insOct 23 · First-person mods are not officially supportedOct 21 · The Indie Stone on Java mods: download responsiblySep 28 · Build 42.21 Stable: zombie duplication fixesAug 26 · Security fixes on every branchAug 17 · Servers now handle up to 254 playersJul 29 · Build 42 goes Stable

Box of 5.56x45mm Rounds

Box of 5.56x45mm Rounds is an ammo item in Project Zomboid. It weighs 0.5. Build 42.21 data, November 2026.

01Item

Box of 5.56x45mm Rounds at a glance

Box of 5.56x45mm Rounds icon

Ammo Firearms

It weighs 0.5.

Weight0.5
02Item

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.

03Item

Item ID and variants

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

Item IDGame category
Base.556BoxAmmo
04Item

Where it spawns: the loot tables

Box of 5.56x45mm Rounds is on 6 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 tableWhere that table is usedShareRolls
Army Storage AmmunitionAny building (locker); Army storage (shelves, military crate)28%4
Gun Store AmmunitionGun Store (box, cupboard, crate, …); Gun store storage (box, crate, locker, …); Hunter storage (shelves); and 3 more places19%4
SWAT Storage AmmunitionPolice SWAT room (shelves)11%4
Ranger ToolsSpecial spawn (vehicles, events or zombies)6.7%3
Gun Store Mags AmmoGun Store (display case)5.5%4
Police Storage AmmunitionSpecial spawn (vehicles, events or zombies)4.7%4

On zombies: zombies in these outfits can carry it: Bandit Late, Bandit Mid, Bandit Early, Ghillie, Army Camo Desert, Army Camo Green, Bandit, Private Militia.

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

Town by town: loot locations.

01Part

Crafting and loot tables

Made with:

Used in 2 recipes (as an ingredient or tool):

Where to find it (loot tables with the highest weight first):

07Item

Quick answers

How much does the Box of 5.56x45mm Rounds weigh in Project Zomboid?

It weighs 0.5 in Build 42.

What is the item ID for Box of 5.56x45mm Rounds?

Base.556Box.

Stats and item IDs from the Build 42 game data as listed on pzfans.com. Item art is from Project Zomboid.